From: Chris Hanson <org/chris-hanson/cph>
Date: Sun, 6 Jan 2019 07:09:12 +0000 (-0800)
Subject: Do the annual copyright update.
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=ae0a051094e8addcf78ba2dcdbe391cbd67f829e;p=mit-scheme.git

Do the annual copyright update.
---

diff --git a/dist/Makefile b/dist/Makefile
index 048ec3979..eee9f869d 100644
--- a/dist/Makefile
+++ b/dist/Makefile
@@ -1,7 +1,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/dist/copyright.c b/dist/copyright.c
index f2fd2ea42..343c5b967 100644
--- a/dist/copyright.c
+++ b/dist/copyright.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/dist/copyright.scm b/dist/copyright.scm
index eb22f9d6b..806e11478 100644
--- a/dist/copyright.scm
+++ b/dist/copyright.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/dist/make-doc-files b/dist/make-doc-files
index 5cc0bb702..fde825d35 100755
--- a/dist/make-doc-files
+++ b/dist/make-doc-files
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/dist/make-liarc-files b/dist/make-liarc-files
index 403c2701a..ff6c1e943 100755
--- a/dist/make-liarc-files
+++ b/dist/make-liarc-files
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/dist/make-macosx-app b/dist/make-macosx-app
index 2cb2c8a7b..aaf2fdc5e 100755
--- a/dist/make-macosx-app
+++ b/dist/make-macosx-app
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/dist/make-native-files b/dist/make-native-files
index f2619dd28..4557e54d2 100755
--- a/dist/make-native-files
+++ b/dist/make-native-files
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/dist/make-scmutils b/dist/make-scmutils
index 54516834d..6dc780761 100755
--- a/dist/make-scmutils
+++ b/dist/make-scmutils
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/dist/make-src-files b/dist/make-src-files
index b14ccf59d..29d6be8a1 100755
--- a/dist/make-src-files
+++ b/dist/make-src-files
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/dist/shared.sh b/dist/shared.sh
index d1e5a6d15..411e5ad1e 100644
--- a/dist/shared.sh
+++ b/dist/shared.sh
@@ -2,7 +2,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/dist/update-copyright.scm b/dist/update-copyright.scm
index c2620828c..ee2fb63c6 100644
--- a/dist/update-copyright.scm
+++ b/dist/update-copyright.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/doc/Makefile.in b/doc/Makefile.in
index 7d774e54f..932923da1 100644
--- a/doc/Makefile.in
+++ b/doc/Makefile.in
@@ -1,7 +1,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/doc/configure.ac b/doc/configure.ac
index e2d03a5cf..201c8e6cb 100644
--- a/doc/configure.ac
+++ b/doc/configure.ac
@@ -10,7 +10,7 @@ AC_COPYRIGHT(
 [Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/doc/ffi/ffi.texinfo b/doc/ffi/ffi.texinfo
index dd28f0999..695f4e90c 100644
--- a/doc/ffi/ffi.texinfo
+++ b/doc/ffi/ffi.texinfo
@@ -21,7 +21,7 @@ This manual documents @acronym{FFI} @value{VERSION}.
 Copyright @copyright{} 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
     1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015,
-    2016, 2017, 2018 Massachusetts Institute of Technology
+    2016, 2017, 2018, 2019 Massachusetts Institute of Technology
 
 @quotation
 Permission is granted to copy, distribute and/or modify this document
diff --git a/doc/make-common.in b/doc/make-common.in
index 1d59446fe..bcf6ef1fe 100644
--- a/doc/make-common.in
+++ b/doc/make-common.in
@@ -2,7 +2,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/doc/ref-manual/Makefile.in b/doc/ref-manual/Makefile.in
index 45b4343c4..40e5a89c6 100644
--- a/doc/ref-manual/Makefile.in
+++ b/doc/ref-manual/Makefile.in
@@ -2,7 +2,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/doc/ref-manual/scheme.texinfo b/doc/ref-manual/scheme.texinfo
index 4254ef55e..330973547 100644
--- a/doc/ref-manual/scheme.texinfo
+++ b/doc/ref-manual/scheme.texinfo
@@ -19,7 +19,7 @@ This manual documents MIT/GNU Scheme @value{VERSION}.
 Copyright @copyright{} 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
     1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015,
-    2016, 2017, 2018 Massachusetts Institute of Technology
+    2016, 2017, 2018, 2019 Massachusetts Institute of Technology
 
 @quotation
 Permission is granted to copy, distribute and/or modify this document
diff --git a/doc/sos/Makefile.in b/doc/sos/Makefile.in
index f2e1d8d81..16fa8d3d8 100644
--- a/doc/sos/Makefile.in
+++ b/doc/sos/Makefile.in
@@ -2,7 +2,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/doc/sos/sos.texinfo b/doc/sos/sos.texinfo
index 67d4de21d..30ac22377 100644
--- a/doc/sos/sos.texinfo
+++ b/doc/sos/sos.texinfo
@@ -20,7 +20,7 @@ This manual documents @acronym{SOS} @value{VERSION}.
 Copyright @copyright{} 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
     1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015,
-    2016, 2017, 2018 Massachusetts Institute of Technology
+    2016, 2017, 2018, 2019 Massachusetts Institute of Technology
 
 @quotation
 Permission is granted to copy, distribute and/or modify this document
diff --git a/doc/user-manual/Makefile.in b/doc/user-manual/Makefile.in
index c99dbb060..d49b50df1 100644
--- a/doc/user-manual/Makefile.in
+++ b/doc/user-manual/Makefile.in
@@ -2,7 +2,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/doc/user-manual/user.texinfo b/doc/user-manual/user.texinfo
index e4985d976..91a0e20a5 100644
--- a/doc/user-manual/user.texinfo
+++ b/doc/user-manual/user.texinfo
@@ -26,7 +26,7 @@ This manual documents the use of MIT/GNU Scheme @value{VERSION}.
 Copyright @copyright{} 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
     1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015,
-    2016, 2017, 2018 Massachusetts Institute of Technology
+    2016, 2017, 2018, 2019 Massachusetts Institute of Technology
 
 @quotation
 Permission is granted to copy, distribute and/or modify this document
diff --git a/etc/dirdif.scm b/etc/dirdif.scm
index b1383b3dd..c0066cc5f 100644
--- a/etc/dirdif.scm
+++ b/etc/dirdif.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This material was developed by the Scheme project at the Massachusetts
 Institute of Technology, Department of Electrical Engineering and
diff --git a/etc/dumpdat.scm b/etc/dumpdat.scm
index 779eb2433..7cc6a8d42 100644
--- a/etc/dumpdat.scm
+++ b/etc/dumpdat.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This material was developed by the Scheme project at the Massachusetts
 Institute of Technology, Department of Electrical Engineering and
diff --git a/etc/mkauto.bat b/etc/mkauto.bat
index 4a43f6340..84d35013a 100644
--- a/etc/mkauto.bat
+++ b/etc/mkauto.bat
@@ -2,7 +2,7 @@
 rem Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
 rem     1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
 rem     2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013,
-rem     2014, 2015, 2016, 2017, 2018 Massachusetts Institute of
+rem     2014, 2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
 rem     Technology
 copy \scheme\edwin\midas.com \scheme\lib\edwin\autoload\midas.com
 copy \scheme\edwin\midas.bci \scheme\lib\edwin\autoload\midas.bci
diff --git a/etc/mkopt.bat b/etc/mkopt.bat
index 26259e73a..2a98f5025 100644
--- a/etc/mkopt.bat
+++ b/etc/mkopt.bat
@@ -2,7 +2,7 @@
 rem Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
 rem     1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
 rem     2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013,
-rem     2014, 2015, 2016, 2017, 2018 Massachusetts Institute of
+rem     2014, 2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
 rem     Technology
 copy \scheme\runtime\numint.com \scheme\lib\options\numint.com
 copy \scheme\runtime\numint.bci \scheme\lib\options\numint.bci
diff --git a/etc/nrwcopyr.el b/etc/nrwcopyr.el
index 3ce351708..6f569029c 100644
--- a/etc/nrwcopyr.el
+++ b/etc/nrwcopyr.el
@@ -7,7 +7,8 @@
 ;; Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 ;;     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 ;;     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-;;     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+;;     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+;;     Technology
 ;; 
 ;; This material was developed by the Scheme project at the Massachusetts
 ;; Institute of Technology, Department of Electrical Engineering and
diff --git a/etc/run-three-stages b/etc/run-three-stages
index 36743ae56..60054225f 100755
--- a/etc/run-three-stages
+++ b/etc/run-three-stages
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/6001/6001.cbf b/src/6001/6001.cbf
index f40493450..19e71159b 100644
--- a/src/6001/6001.cbf
+++ b/src/6001/6001.cbf
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/6001/6001.pkg b/src/6001/6001.pkg
index 1b051af25..7a1c4beb9 100644
--- a/src/6001/6001.pkg
+++ b/src/6001/6001.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/6001/6001.sf b/src/6001/6001.sf
index 6c181f0d4..aa0fbe006 100644
--- a/src/6001/6001.sf
+++ b/src/6001/6001.sf
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/6001/arith.scm b/src/6001/arith.scm
index b37defff5..2947178a1 100644
--- a/src/6001/arith.scm
+++ b/src/6001/arith.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/6001/edextra.scm b/src/6001/edextra.scm
index 0f9cc47ab..973a2de89 100644
--- a/src/6001/edextra.scm
+++ b/src/6001/edextra.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/6001/floppy.scm b/src/6001/floppy.scm
index a7e5c3ab6..1089ec7b4 100644
--- a/src/6001/floppy.scm
+++ b/src/6001/floppy.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/6001/make.scm b/src/6001/make.scm
index b45350b4f..5c177e8bb 100644
--- a/src/6001/make.scm
+++ b/src/6001/make.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/6001/nodefs.scm b/src/6001/nodefs.scm
index fe8c2901c..ddcd352d6 100644
--- a/src/6001/nodefs.scm
+++ b/src/6001/nodefs.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/6001/pic-imag.scm b/src/6001/pic-imag.scm
index a3d0d1ea4..b0bb17c82 100644
--- a/src/6001/pic-imag.scm
+++ b/src/6001/pic-imag.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/6001/pic-ops.scm b/src/6001/pic-ops.scm
index 2e3af80d7..d615ab7e3 100644
--- a/src/6001/pic-ops.scm
+++ b/src/6001/pic-ops.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/6001/pic-read.scm b/src/6001/pic-read.scm
index 28e4cce8c..4fff1c379 100644
--- a/src/6001/pic-read.scm
+++ b/src/6001/pic-read.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/6001/pic-reco.scm b/src/6001/pic-reco.scm
index 51cec9094..c72dd2d50 100644
--- a/src/6001/pic-reco.scm
+++ b/src/6001/pic-reco.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/6001/picture.scm b/src/6001/picture.scm
index 449a6f454..46174b52a 100644
--- a/src/6001/picture.scm
+++ b/src/6001/picture.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/Clean.sh b/src/Clean.sh
index 50568c2a3..ca07126d3 100755
--- a/src/Clean.sh
+++ b/src/Clean.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/Makefile.in b/src/Makefile.in
index 219821bd5..b45fb9389 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -1,7 +1,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/Setup.sh b/src/Setup.sh
index 538b9ff9d..8dd244f96 100755
--- a/src/Setup.sh
+++ b/src/Setup.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/Stage.sh b/src/Stage.sh
index 08050f244..c76b61270 100755
--- a/src/Stage.sh
+++ b/src/Stage.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/Tags.sh b/src/Tags.sh
index b8df303fc..94c15a329 100755
--- a/src/Tags.sh
+++ b/src/Tags.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/berkeley-db/berkeley-db.scm b/src/berkeley-db/berkeley-db.scm
index b7db5c78b..1c8694270 100644
--- a/src/berkeley-db/berkeley-db.scm
+++ b/src/berkeley-db/berkeley-db.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/berkeley-db/prdb4.c b/src/berkeley-db/prdb4.c
index e9cbebc15..8193961f0 100644
--- a/src/berkeley-db/prdb4.c
+++ b/src/berkeley-db/prdb4.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/berkeley-db/prdb4.scm b/src/berkeley-db/prdb4.scm
index 02414ff42..440b4da93 100644
--- a/src/berkeley-db/prdb4.scm
+++ b/src/berkeley-db/prdb4.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/blowfish/Makefile.am b/src/blowfish/Makefile.am
index 12f666774..99181dab9 100644
--- a/src/blowfish/Makefile.am
+++ b/src/blowfish/Makefile.am
@@ -3,7 +3,8 @@
 ## Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 ##     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 ##     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-##     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+##     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+##     Technology
 ## 
 ## This file is part of MIT/GNU Scheme.
 ## 
diff --git a/src/blowfish/NEWS b/src/blowfish/NEWS
index dbac0ffcf..dacbfcf50 100644
--- a/src/blowfish/NEWS
+++ b/src/blowfish/NEWS
@@ -3,7 +3,7 @@ mit-scheme-blowfish NEWS -- history of user-visible changes.
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/blowfish/blowfish-adapter.c b/src/blowfish/blowfish-adapter.c
index 46edfa564..a6c83795d 100644
--- a/src/blowfish/blowfish-adapter.c
+++ b/src/blowfish/blowfish-adapter.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/blowfish/blowfish-check.scm b/src/blowfish/blowfish-check.scm
index 4737722d4..0128b445f 100644
--- a/src/blowfish/blowfish-check.scm
+++ b/src/blowfish/blowfish-check.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/blowfish/blowfish-shim.h b/src/blowfish/blowfish-shim.h
index a0f896c10..710c863a8 100644
--- a/src/blowfish/blowfish-shim.h
+++ b/src/blowfish/blowfish-shim.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/blowfish/blowfish-test.scm b/src/blowfish/blowfish-test.scm
index 4a69b882d..503a8e38c 100644
--- a/src/blowfish/blowfish-test.scm
+++ b/src/blowfish/blowfish-test.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/blowfish/blowfish.cdecl b/src/blowfish/blowfish.cdecl
index 8acab7686..380e14b5c 100644
--- a/src/blowfish/blowfish.cdecl
+++ b/src/blowfish/blowfish.cdecl
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/blowfish/blowfish.pkg b/src/blowfish/blowfish.pkg
index 5ad69c167..1514896dc 100644
--- a/src/blowfish/blowfish.pkg
+++ b/src/blowfish/blowfish.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/blowfish/blowfish.scm b/src/blowfish/blowfish.scm
index 55dcc3b4a..bb47b2c92 100644
--- a/src/blowfish/blowfish.scm
+++ b/src/blowfish/blowfish.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/blowfish/compile.sh b/src/blowfish/compile.sh
index 6b5f9d9df..a7f8e870b 100755
--- a/src/blowfish/compile.sh
+++ b/src/blowfish/compile.sh
@@ -4,7 +4,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of a Blowfish plugin for MIT/GNU Scheme.
 #
diff --git a/src/blowfish/configure.ac b/src/blowfish/configure.ac
index 1d818e79b..6fd17adc2 100644
--- a/src/blowfish/configure.ac
+++ b/src/blowfish/configure.ac
@@ -13,7 +13,7 @@ AC_COPYRIGHT(
 [Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
@@ -38,7 +38,7 @@ AH_TOP([/*
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/blowfish/mit-scheme-blowfish.texi b/src/blowfish/mit-scheme-blowfish.texi
index e21f857d1..303463f2b 100644
--- a/src/blowfish/mit-scheme-blowfish.texi
+++ b/src/blowfish/mit-scheme-blowfish.texi
@@ -12,7 +12,7 @@ This manual documents MIT/GNU Scheme Blowfish @value{VERSION}.
 Copyright @copyright{} 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
     1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015,
-    2016, 2017, 2018 Massachusetts Institute of Technology
+    2016, 2017, 2018, 2019 Massachusetts Institute of Technology
 
 @quotation
 Permission is granted to copy, distribute and/or modify this document
diff --git a/src/compiler/Clean.sh b/src/compiler/Clean.sh
index a8b0eede4..ef6b26f54 100755
--- a/src/compiler/Clean.sh
+++ b/src/compiler/Clean.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/compiler/Setup.sh b/src/compiler/Setup.sh
index fe628ede8..031cb890a 100755
--- a/src/compiler/Setup.sh
+++ b/src/compiler/Setup.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/compiler/Stage.sh b/src/compiler/Stage.sh
index 122c6c050..93f0f29d1 100755
--- a/src/compiler/Stage.sh
+++ b/src/compiler/Stage.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/compiler/Tags.sh b/src/compiler/Tags.sh
index 66b1d6715..ca17fb4d0 100755
--- a/src/compiler/Tags.sh
+++ b/src/compiler/Tags.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/compiler/back/asmmac.scm b/src/compiler/back/asmmac.scm
index 4b9491320..171606d12 100644
--- a/src/compiler/back/asmmac.scm
+++ b/src/compiler/back/asmmac.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/back/asutl.scm b/src/compiler/back/asutl.scm
index 8ef2943b1..4fbfe4082 100644
--- a/src/compiler/back/asutl.scm
+++ b/src/compiler/back/asutl.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/back/bittop.scm b/src/compiler/back/bittop.scm
index cf7f15f92..5ea5f21d2 100644
--- a/src/compiler/back/bittop.scm
+++ b/src/compiler/back/bittop.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/back/bitutl.scm b/src/compiler/back/bitutl.scm
index 823c6b432..98e6502ae 100644
--- a/src/compiler/back/bitutl.scm
+++ b/src/compiler/back/bitutl.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/back/checks.scm b/src/compiler/back/checks.scm
index c92acc303..41929a8d1 100644
--- a/src/compiler/back/checks.scm
+++ b/src/compiler/back/checks.scm
@@ -5,7 +5,7 @@ $Id$
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/back/insseq.scm b/src/compiler/back/insseq.scm
index cc649cb47..888fbc3c4 100644
--- a/src/compiler/back/insseq.scm
+++ b/src/compiler/back/insseq.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/back/lapgn1.scm b/src/compiler/back/lapgn1.scm
index 9a0384bc3..822c19eb3 100644
--- a/src/compiler/back/lapgn1.scm
+++ b/src/compiler/back/lapgn1.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/back/lapgn2.scm b/src/compiler/back/lapgn2.scm
index 0ce79d66f..7d4d129b7 100644
--- a/src/compiler/back/lapgn2.scm
+++ b/src/compiler/back/lapgn2.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/back/lapgn3.scm b/src/compiler/back/lapgn3.scm
index 081e16444..a6b1a2a01 100644
--- a/src/compiler/back/lapgn3.scm
+++ b/src/compiler/back/lapgn3.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/back/linear.scm b/src/compiler/back/linear.scm
index 33e8eb512..de239b54e 100644
--- a/src/compiler/back/linear.scm
+++ b/src/compiler/back/linear.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/back/mermap.scm b/src/compiler/back/mermap.scm
index c76455bb9..bb7fce146 100644
--- a/src/compiler/back/mermap.scm
+++ b/src/compiler/back/mermap.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/back/regmap.scm b/src/compiler/back/regmap.scm
index b58ab3a83..fa44e6179 100644
--- a/src/compiler/back/regmap.scm
+++ b/src/compiler/back/regmap.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/back/syerly.scm b/src/compiler/back/syerly.scm
index a0b2a571e..d2512efd2 100644
--- a/src/compiler/back/syerly.scm
+++ b/src/compiler/back/syerly.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/back/symtab.scm b/src/compiler/back/symtab.scm
index 2b2844c4a..673f29893 100644
--- a/src/compiler/back/symtab.scm
+++ b/src/compiler/back/symtab.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/back/syntax.scm b/src/compiler/back/syntax.scm
index 0e0cd43b2..b013d56ce 100644
--- a/src/compiler/back/syntax.scm
+++ b/src/compiler/back/syntax.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/asstop.scm b/src/compiler/base/asstop.scm
index 06a2d50f9..47f0d1f01 100644
--- a/src/compiler/base/asstop.scm
+++ b/src/compiler/base/asstop.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/blocks.scm b/src/compiler/base/blocks.scm
index cf85a3d06..34c5417ba 100644
--- a/src/compiler/base/blocks.scm
+++ b/src/compiler/base/blocks.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/cfg1.scm b/src/compiler/base/cfg1.scm
index f745b919b..36f93f22c 100644
--- a/src/compiler/base/cfg1.scm
+++ b/src/compiler/base/cfg1.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/cfg2.scm b/src/compiler/base/cfg2.scm
index 7ff652ace..1439a6c17 100644
--- a/src/compiler/base/cfg2.scm
+++ b/src/compiler/base/cfg2.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/cfg3.scm b/src/compiler/base/cfg3.scm
index 328c678d7..a66d43eb0 100644
--- a/src/compiler/base/cfg3.scm
+++ b/src/compiler/base/cfg3.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/constr.scm b/src/compiler/base/constr.scm
index ae7a6ce1f..ac45ccd93 100644
--- a/src/compiler/base/constr.scm
+++ b/src/compiler/base/constr.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/contin.scm b/src/compiler/base/contin.scm
index 991fe7ae2..a453c3124 100644
--- a/src/compiler/base/contin.scm
+++ b/src/compiler/base/contin.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/crsend.scm b/src/compiler/base/crsend.scm
index c13e7f6f5..6901501ac 100644
--- a/src/compiler/base/crsend.scm
+++ b/src/compiler/base/crsend.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/crstop.scm b/src/compiler/base/crstop.scm
index 45566a796..385c2ab11 100644
--- a/src/compiler/base/crstop.scm
+++ b/src/compiler/base/crstop.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/ctypes.scm b/src/compiler/base/ctypes.scm
index 1e5890a41..d1c48dd6b 100644
--- a/src/compiler/base/ctypes.scm
+++ b/src/compiler/base/ctypes.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/debug.scm b/src/compiler/base/debug.scm
index 87cfe0daa..96a4bd1e3 100644
--- a/src/compiler/base/debug.scm
+++ b/src/compiler/base/debug.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/enumer.scm b/src/compiler/base/enumer.scm
index 85eb31758..a3687b74e 100644
--- a/src/compiler/base/enumer.scm
+++ b/src/compiler/base/enumer.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/infnew.scm b/src/compiler/base/infnew.scm
index be78da13d..e103bf231 100644
--- a/src/compiler/base/infnew.scm
+++ b/src/compiler/base/infnew.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/lvalue.scm b/src/compiler/base/lvalue.scm
index a4ed2d8a0..9c5035971 100644
--- a/src/compiler/base/lvalue.scm
+++ b/src/compiler/base/lvalue.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/macros.scm b/src/compiler/base/macros.scm
index 2fdf08a17..a36483d6e 100644
--- a/src/compiler/base/macros.scm
+++ b/src/compiler/base/macros.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/make.scm b/src/compiler/base/make.scm
index b09b2b0b4..80e4a736f 100644
--- a/src/compiler/base/make.scm
+++ b/src/compiler/base/make.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/mvalue.scm b/src/compiler/base/mvalue.scm
index 53078ecd0..3b3db63f9 100644
--- a/src/compiler/base/mvalue.scm
+++ b/src/compiler/base/mvalue.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/object.scm b/src/compiler/base/object.scm
index 34f84b607..cb91f4c5c 100644
--- a/src/compiler/base/object.scm
+++ b/src/compiler/base/object.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/pmerly.scm b/src/compiler/base/pmerly.scm
index 9b124fe85..58ff5b196 100644
--- a/src/compiler/base/pmerly.scm
+++ b/src/compiler/base/pmerly.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/pmlook.scm b/src/compiler/base/pmlook.scm
index 6f7becb1d..8da868f4b 100644
--- a/src/compiler/base/pmlook.scm
+++ b/src/compiler/base/pmlook.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/pmpars.scm b/src/compiler/base/pmpars.scm
index e9cbe2b9d..81713a38b 100644
--- a/src/compiler/base/pmpars.scm
+++ b/src/compiler/base/pmpars.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/proced.scm b/src/compiler/base/proced.scm
index 3e7f312c7..e2996fb77 100644
--- a/src/compiler/base/proced.scm
+++ b/src/compiler/base/proced.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/refctx.scm b/src/compiler/base/refctx.scm
index cd2b04b34..18cee985d 100644
--- a/src/compiler/base/refctx.scm
+++ b/src/compiler/base/refctx.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/rvalue.scm b/src/compiler/base/rvalue.scm
index 46b65c14e..e0a54b200 100644
--- a/src/compiler/base/rvalue.scm
+++ b/src/compiler/base/rvalue.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/scode.scm b/src/compiler/base/scode.scm
index 139aedc21..95ade0af6 100644
--- a/src/compiler/base/scode.scm
+++ b/src/compiler/base/scode.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/sets.scm b/src/compiler/base/sets.scm
index 5b5d62fbe..236648c75 100644
--- a/src/compiler/base/sets.scm
+++ b/src/compiler/base/sets.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/subprb.scm b/src/compiler/base/subprb.scm
index 4c569e612..07a8e597d 100644
--- a/src/compiler/base/subprb.scm
+++ b/src/compiler/base/subprb.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/switch.scm b/src/compiler/base/switch.scm
index 19b4c0af5..98d859270 100644
--- a/src/compiler/base/switch.scm
+++ b/src/compiler/base/switch.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/toplev.scm b/src/compiler/base/toplev.scm
index 81bd2e749..799f0fef8 100644
--- a/src/compiler/base/toplev.scm
+++ b/src/compiler/base/toplev.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/base/utils.scm b/src/compiler/base/utils.scm
index 4b0358bf1..3b7ee5204 100644
--- a/src/compiler/base/utils.scm
+++ b/src/compiler/base/utils.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/choose-machine.sh b/src/compiler/choose-machine.sh
index 051886040..a18aaf56a 100755
--- a/src/compiler/choose-machine.sh
+++ b/src/compiler/choose-machine.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/compiler/configure b/src/compiler/configure
index 169bc1a6e..932112df4 100755
--- a/src/compiler/configure
+++ b/src/compiler/configure
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/compiler/documentation/cmpaux.txt b/src/compiler/documentation/cmpaux.txt
index 77b3475da..edc4a1beb 100644
--- a/src/compiler/documentation/cmpaux.txt
+++ b/src/compiler/documentation/cmpaux.txt
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/documentation/cmpint.txt b/src/compiler/documentation/cmpint.txt
index ebf00402e..7dc021271 100644
--- a/src/compiler/documentation/cmpint.txt
+++ b/src/compiler/documentation/cmpint.txt
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/documentation/porting.guide b/src/compiler/documentation/porting.guide
index be7ca1274..d42a203ed 100644
--- a/src/compiler/documentation/porting.guide
+++ b/src/compiler/documentation/porting.guide
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/etc/asm.scm b/src/compiler/etc/asm.scm
index 54ae19f0e..8b033617f 100644
--- a/src/compiler/etc/asm.scm
+++ b/src/compiler/etc/asm.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/etc/comcmp.scm b/src/compiler/etc/comcmp.scm
index 49167224e..cdd5428bf 100644
--- a/src/compiler/etc/comcmp.scm
+++ b/src/compiler/etc/comcmp.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/etc/comfiles.scm b/src/compiler/etc/comfiles.scm
index 1a1944922..c88802218 100644
--- a/src/compiler/etc/comfiles.scm
+++ b/src/compiler/etc/comfiles.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/etc/disload.scm b/src/compiler/etc/disload.scm
index 50b496383..45dabd93c 100644
--- a/src/compiler/etc/disload.scm
+++ b/src/compiler/etc/disload.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/etc/stackp.scm b/src/compiler/etc/stackp.scm
index c5eca9097..80612250d 100644
--- a/src/compiler/etc/stackp.scm
+++ b/src/compiler/etc/stackp.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/etc/xcbfdir.scm b/src/compiler/etc/xcbfdir.scm
index 421752ff6..af616941b 100644
--- a/src/compiler/etc/xcbfdir.scm
+++ b/src/compiler/etc/xcbfdir.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fggen/canon.scm b/src/compiler/fggen/canon.scm
index bce009fd2..ebcb034ab 100644
--- a/src/compiler/fggen/canon.scm
+++ b/src/compiler/fggen/canon.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fggen/declar.scm b/src/compiler/fggen/declar.scm
index 4f0eff798..ea94f562c 100644
--- a/src/compiler/fggen/declar.scm
+++ b/src/compiler/fggen/declar.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fggen/fggen.scm b/src/compiler/fggen/fggen.scm
index fab7c23cb..f092e613f 100644
--- a/src/compiler/fggen/fggen.scm
+++ b/src/compiler/fggen/fggen.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fgopt/blktyp.scm b/src/compiler/fgopt/blktyp.scm
index d0780d24a..f92396736 100644
--- a/src/compiler/fgopt/blktyp.scm
+++ b/src/compiler/fgopt/blktyp.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fgopt/closan.scm b/src/compiler/fgopt/closan.scm
index 4eb08741a..512ba7a78 100644
--- a/src/compiler/fgopt/closan.scm
+++ b/src/compiler/fgopt/closan.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fgopt/conect.scm b/src/compiler/fgopt/conect.scm
index bbe3e85eb..a573e17d4 100644
--- a/src/compiler/fgopt/conect.scm
+++ b/src/compiler/fgopt/conect.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fgopt/contan.scm b/src/compiler/fgopt/contan.scm
index 2da21ef97..a145bc844 100644
--- a/src/compiler/fgopt/contan.scm
+++ b/src/compiler/fgopt/contan.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fgopt/delint.scm b/src/compiler/fgopt/delint.scm
index a1660d58c..e1173b4ae 100644
--- a/src/compiler/fgopt/delint.scm
+++ b/src/compiler/fgopt/delint.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fgopt/desenv.scm b/src/compiler/fgopt/desenv.scm
index 2afd0babc..7517a829a 100644
--- a/src/compiler/fgopt/desenv.scm
+++ b/src/compiler/fgopt/desenv.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fgopt/envopt.scm b/src/compiler/fgopt/envopt.scm
index e41ad9066..90edd556d 100644
--- a/src/compiler/fgopt/envopt.scm
+++ b/src/compiler/fgopt/envopt.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fgopt/folcon.scm b/src/compiler/fgopt/folcon.scm
index 363818f92..1cd20a223 100644
--- a/src/compiler/fgopt/folcon.scm
+++ b/src/compiler/fgopt/folcon.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fgopt/offset.scm b/src/compiler/fgopt/offset.scm
index f42d41b1a..f0ee68ec8 100644
--- a/src/compiler/fgopt/offset.scm
+++ b/src/compiler/fgopt/offset.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fgopt/operan.scm b/src/compiler/fgopt/operan.scm
index 37247aa82..f9789abc2 100644
--- a/src/compiler/fgopt/operan.scm
+++ b/src/compiler/fgopt/operan.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fgopt/order.scm b/src/compiler/fgopt/order.scm
index 5cffa2907..3fed5e02c 100644
--- a/src/compiler/fgopt/order.scm
+++ b/src/compiler/fgopt/order.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fgopt/outer.scm b/src/compiler/fgopt/outer.scm
index fa39aa79f..a08faed24 100644
--- a/src/compiler/fgopt/outer.scm
+++ b/src/compiler/fgopt/outer.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fgopt/param.scm b/src/compiler/fgopt/param.scm
index 07a7c88de..a791c67b0 100644
--- a/src/compiler/fgopt/param.scm
+++ b/src/compiler/fgopt/param.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fgopt/reord.scm b/src/compiler/fgopt/reord.scm
index 12cc266bf..279af9cda 100644
--- a/src/compiler/fgopt/reord.scm
+++ b/src/compiler/fgopt/reord.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fgopt/reteqv.scm b/src/compiler/fgopt/reteqv.scm
index b8e8518d3..f30c59b1a 100644
--- a/src/compiler/fgopt/reteqv.scm
+++ b/src/compiler/fgopt/reteqv.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fgopt/reuse.scm b/src/compiler/fgopt/reuse.scm
index 1ebf0cbf1..712e4bbee 100644
--- a/src/compiler/fgopt/reuse.scm
+++ b/src/compiler/fgopt/reuse.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fgopt/sideff.scm b/src/compiler/fgopt/sideff.scm
index 9596c5870..0af7bfa5c 100644
--- a/src/compiler/fgopt/sideff.scm
+++ b/src/compiler/fgopt/sideff.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fgopt/simapp.scm b/src/compiler/fgopt/simapp.scm
index ff285216f..8839b5b70 100644
--- a/src/compiler/fgopt/simapp.scm
+++ b/src/compiler/fgopt/simapp.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fgopt/simple.scm b/src/compiler/fgopt/simple.scm
index f7e00d1ad..e41a1b034 100644
--- a/src/compiler/fgopt/simple.scm
+++ b/src/compiler/fgopt/simple.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fgopt/subfre.scm b/src/compiler/fgopt/subfre.scm
index 98950d272..bd7f75d46 100644
--- a/src/compiler/fgopt/subfre.scm
+++ b/src/compiler/fgopt/subfre.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/fgopt/varind.scm b/src/compiler/fgopt/varind.scm
index 15f9754ec..cc440d7a2 100644
--- a/src/compiler/fgopt/varind.scm
+++ b/src/compiler/fgopt/varind.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/C/compiler.cbf b/src/compiler/machines/C/compiler.cbf
index cd94e5df9..ee91ffefd 100644
--- a/src/compiler/machines/C/compiler.cbf
+++ b/src/compiler/machines/C/compiler.cbf
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/C/compiler.pkg b/src/compiler/machines/C/compiler.pkg
index 5013be5ff..a7423cd10 100644
--- a/src/compiler/machines/C/compiler.pkg
+++ b/src/compiler/machines/C/compiler.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/C/compiler.sf b/src/compiler/machines/C/compiler.sf
index 5503a4e10..cc0cbd7f1 100644
--- a/src/compiler/machines/C/compiler.sf
+++ b/src/compiler/machines/C/compiler.sf
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/C/cout.scm b/src/compiler/machines/C/cout.scm
index ce152b5dc..4e9ce2bba 100644
--- a/src/compiler/machines/C/cout.scm
+++ b/src/compiler/machines/C/cout.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/C/ctop.scm b/src/compiler/machines/C/ctop.scm
index 0c8ed3922..52603108c 100644
--- a/src/compiler/machines/C/ctop.scm
+++ b/src/compiler/machines/C/ctop.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/C/cutl.scm b/src/compiler/machines/C/cutl.scm
index 8bf1f6f50..6a1d6c182 100644
--- a/src/compiler/machines/C/cutl.scm
+++ b/src/compiler/machines/C/cutl.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/C/decls.scm b/src/compiler/machines/C/decls.scm
index d699401c1..66710585b 100644
--- a/src/compiler/machines/C/decls.scm
+++ b/src/compiler/machines/C/decls.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/C/lapgen.scm b/src/compiler/machines/C/lapgen.scm
index 83b989da1..271652c20 100644
--- a/src/compiler/machines/C/lapgen.scm
+++ b/src/compiler/machines/C/lapgen.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/C/machin.scm b/src/compiler/machines/C/machin.scm
index 28edf9094..71e8c90b1 100644
--- a/src/compiler/machines/C/machin.scm
+++ b/src/compiler/machines/C/machin.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/C/make.scm b/src/compiler/machines/C/make.scm
index 4b3da1e6d..e7ebe78f0 100644
--- a/src/compiler/machines/C/make.scm
+++ b/src/compiler/machines/C/make.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/C/rgspcm.scm b/src/compiler/machines/C/rgspcm.scm
index 4d372ada2..ee4ad5877 100644
--- a/src/compiler/machines/C/rgspcm.scm
+++ b/src/compiler/machines/C/rgspcm.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/C/rules1.scm b/src/compiler/machines/C/rules1.scm
index a8d40da61..642748e26 100644
--- a/src/compiler/machines/C/rules1.scm
+++ b/src/compiler/machines/C/rules1.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/C/rules2.scm b/src/compiler/machines/C/rules2.scm
index c4861e19d..3685bc268 100644
--- a/src/compiler/machines/C/rules2.scm
+++ b/src/compiler/machines/C/rules2.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/C/rules3.scm b/src/compiler/machines/C/rules3.scm
index 5182c6853..cf2bcde99 100644
--- a/src/compiler/machines/C/rules3.scm
+++ b/src/compiler/machines/C/rules3.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/C/rules4.scm b/src/compiler/machines/C/rules4.scm
index 9b5d48544..ff9e106c0 100644
--- a/src/compiler/machines/C/rules4.scm
+++ b/src/compiler/machines/C/rules4.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/C/rulfix.scm b/src/compiler/machines/C/rulfix.scm
index 8e0a4228e..d3344a099 100644
--- a/src/compiler/machines/C/rulfix.scm
+++ b/src/compiler/machines/C/rulfix.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/C/rulflo.scm b/src/compiler/machines/C/rulflo.scm
index 9022a64ee..4d35cd1bd 100644
--- a/src/compiler/machines/C/rulflo.scm
+++ b/src/compiler/machines/C/rulflo.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/C/rulrew.scm b/src/compiler/machines/C/rulrew.scm
index 21733d71c..c9659f36e 100644
--- a/src/compiler/machines/C/rulrew.scm
+++ b/src/compiler/machines/C/rulrew.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/C/stackify.scm b/src/compiler/machines/C/stackify.scm
index 6dcd3ee0f..0f1a7dcca 100644
--- a/src/compiler/machines/C/stackify.scm
+++ b/src/compiler/machines/C/stackify.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/C/stackops.scm b/src/compiler/machines/C/stackops.scm
index 4582b4a83..b2646a46e 100644
--- a/src/compiler/machines/C/stackops.scm
+++ b/src/compiler/machines/C/stackops.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/C/traditional.scm b/src/compiler/machines/C/traditional.scm
index 211c47d38..5bce461f3 100644
--- a/src/compiler/machines/C/traditional.scm
+++ b/src/compiler/machines/C/traditional.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/assmd.scm b/src/compiler/machines/i386/assmd.scm
index 15a8dd5f8..27fafed23 100644
--- a/src/compiler/machines/i386/assmd.scm
+++ b/src/compiler/machines/i386/assmd.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/coerce.scm b/src/compiler/machines/i386/coerce.scm
index ae59384c2..8fd2ddd25 100644
--- a/src/compiler/machines/i386/coerce.scm
+++ b/src/compiler/machines/i386/coerce.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/compiler.cbf b/src/compiler/machines/i386/compiler.cbf
index 26e4336ef..a7e779da2 100644
--- a/src/compiler/machines/i386/compiler.cbf
+++ b/src/compiler/machines/i386/compiler.cbf
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/compiler.pkg b/src/compiler/machines/i386/compiler.pkg
index f77d28be7..b798dd911 100644
--- a/src/compiler/machines/i386/compiler.pkg
+++ b/src/compiler/machines/i386/compiler.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/compiler.sf b/src/compiler/machines/i386/compiler.sf
index 8d73e4d0f..bb0d9735b 100644
--- a/src/compiler/machines/i386/compiler.sf
+++ b/src/compiler/machines/i386/compiler.sf
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/dassm1.scm b/src/compiler/machines/i386/dassm1.scm
index f1144f106..767efe484 100644
--- a/src/compiler/machines/i386/dassm1.scm
+++ b/src/compiler/machines/i386/dassm1.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/dassm2.scm b/src/compiler/machines/i386/dassm2.scm
index 38a27e77f..a78582f44 100644
--- a/src/compiler/machines/i386/dassm2.scm
+++ b/src/compiler/machines/i386/dassm2.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/dassm3.scm b/src/compiler/machines/i386/dassm3.scm
index bd0ce7411..1624e73c4 100644
--- a/src/compiler/machines/i386/dassm3.scm
+++ b/src/compiler/machines/i386/dassm3.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/decls.scm b/src/compiler/machines/i386/decls.scm
index e836b3589..7df1bfc5c 100644
--- a/src/compiler/machines/i386/decls.scm
+++ b/src/compiler/machines/i386/decls.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/insmac.scm b/src/compiler/machines/i386/insmac.scm
index 874865b30..7d3f4e4b8 100644
--- a/src/compiler/machines/i386/insmac.scm
+++ b/src/compiler/machines/i386/insmac.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/instr1.scm b/src/compiler/machines/i386/instr1.scm
index 553708e18..da3dbbdfd 100644
--- a/src/compiler/machines/i386/instr1.scm
+++ b/src/compiler/machines/i386/instr1.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/instr2.scm b/src/compiler/machines/i386/instr2.scm
index fe7866a35..26491a95f 100644
--- a/src/compiler/machines/i386/instr2.scm
+++ b/src/compiler/machines/i386/instr2.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/instrf.scm b/src/compiler/machines/i386/instrf.scm
index 971d6436f..37fc63660 100644
--- a/src/compiler/machines/i386/instrf.scm
+++ b/src/compiler/machines/i386/instrf.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/insutl.scm b/src/compiler/machines/i386/insutl.scm
index e0e6d4738..6c7110fbc 100644
--- a/src/compiler/machines/i386/insutl.scm
+++ b/src/compiler/machines/i386/insutl.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/lapgen.scm b/src/compiler/machines/i386/lapgen.scm
index d890d42b7..c353e9379 100644
--- a/src/compiler/machines/i386/lapgen.scm
+++ b/src/compiler/machines/i386/lapgen.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/lapopt.scm b/src/compiler/machines/i386/lapopt.scm
index 7fd7a2825..502753c11 100644
--- a/src/compiler/machines/i386/lapopt.scm
+++ b/src/compiler/machines/i386/lapopt.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/machin.scm b/src/compiler/machines/i386/machin.scm
index 1d052397d..506e7c748 100644
--- a/src/compiler/machines/i386/machin.scm
+++ b/src/compiler/machines/i386/machin.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/make.scm b/src/compiler/machines/i386/make.scm
index c176ecb8f..6dc1a5d6b 100644
--- a/src/compiler/machines/i386/make.scm
+++ b/src/compiler/machines/i386/make.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/pc-make.scm b/src/compiler/machines/i386/pc-make.scm
index 0384848e1..3e195430b 100644
--- a/src/compiler/machines/i386/pc-make.scm
+++ b/src/compiler/machines/i386/pc-make.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/rgspcm.scm b/src/compiler/machines/i386/rgspcm.scm
index df9cd4023..86e8b0d45 100644
--- a/src/compiler/machines/i386/rgspcm.scm
+++ b/src/compiler/machines/i386/rgspcm.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/rules1.scm b/src/compiler/machines/i386/rules1.scm
index 1ce8e626a..977787079 100644
--- a/src/compiler/machines/i386/rules1.scm
+++ b/src/compiler/machines/i386/rules1.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/rules2.scm b/src/compiler/machines/i386/rules2.scm
index 691d7c531..4a11983cc 100644
--- a/src/compiler/machines/i386/rules2.scm
+++ b/src/compiler/machines/i386/rules2.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/rules3.scm b/src/compiler/machines/i386/rules3.scm
index 7595dfac8..91cd6e86b 100644
--- a/src/compiler/machines/i386/rules3.scm
+++ b/src/compiler/machines/i386/rules3.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/rules4.scm b/src/compiler/machines/i386/rules4.scm
index 450b8a4b8..5737c4c43 100644
--- a/src/compiler/machines/i386/rules4.scm
+++ b/src/compiler/machines/i386/rules4.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/rulfix.scm b/src/compiler/machines/i386/rulfix.scm
index 6a2ffc92a..abfc9444b 100644
--- a/src/compiler/machines/i386/rulfix.scm
+++ b/src/compiler/machines/i386/rulfix.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/rulflo.scm b/src/compiler/machines/i386/rulflo.scm
index d15746128..067655817 100644
--- a/src/compiler/machines/i386/rulflo.scm
+++ b/src/compiler/machines/i386/rulflo.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/i386/rulrew.scm b/src/compiler/machines/i386/rulrew.scm
index e04e98420..fe51d9425 100644
--- a/src/compiler/machines/i386/rulrew.scm
+++ b/src/compiler/machines/i386/rulrew.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/svm/assembler-compiler.scm b/src/compiler/machines/svm/assembler-compiler.scm
index 7f1199adb..a1c9ce95e 100644
--- a/src/compiler/machines/svm/assembler-compiler.scm
+++ b/src/compiler/machines/svm/assembler-compiler.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/svm/assembler-rules.scm b/src/compiler/machines/svm/assembler-rules.scm
index 9dbf90118..637d6bfce 100644
--- a/src/compiler/machines/svm/assembler-rules.scm
+++ b/src/compiler/machines/svm/assembler-rules.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/svm/assembler-runtime.scm b/src/compiler/machines/svm/assembler-runtime.scm
index 55a386cde..885dba1b1 100644
--- a/src/compiler/machines/svm/assembler-runtime.scm
+++ b/src/compiler/machines/svm/assembler-runtime.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/svm/compile-assembler.scm b/src/compiler/machines/svm/compile-assembler.scm
index bdfaa12e1..339d462c7 100644
--- a/src/compiler/machines/svm/compile-assembler.scm
+++ b/src/compiler/machines/svm/compile-assembler.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/svm/compiler.cbf b/src/compiler/machines/svm/compiler.cbf
index 76977846a..1606b02bd 100644
--- a/src/compiler/machines/svm/compiler.cbf
+++ b/src/compiler/machines/svm/compiler.cbf
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/svm/compiler.pkg b/src/compiler/machines/svm/compiler.pkg
index 666311208..573e1bdff 100644
--- a/src/compiler/machines/svm/compiler.pkg
+++ b/src/compiler/machines/svm/compiler.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/svm/compiler.sf b/src/compiler/machines/svm/compiler.sf
index 0dc3d58e6..9b252c7a6 100644
--- a/src/compiler/machines/svm/compiler.sf
+++ b/src/compiler/machines/svm/compiler.sf
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/svm/decls.scm b/src/compiler/machines/svm/decls.scm
index 67ef02e76..8da8a8823 100644
--- a/src/compiler/machines/svm/decls.scm
+++ b/src/compiler/machines/svm/decls.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/svm/disassembler.scm b/src/compiler/machines/svm/disassembler.scm
index 562c24b04..72cf16277 100644
--- a/src/compiler/machines/svm/disassembler.scm
+++ b/src/compiler/machines/svm/disassembler.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/svm/lapgen.scm b/src/compiler/machines/svm/lapgen.scm
index 1e4d8f031..05ef09b59 100644
--- a/src/compiler/machines/svm/lapgen.scm
+++ b/src/compiler/machines/svm/lapgen.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/svm/lapopt.scm b/src/compiler/machines/svm/lapopt.scm
index d4540328d..ea6330dc4 100644
--- a/src/compiler/machines/svm/lapopt.scm
+++ b/src/compiler/machines/svm/lapopt.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/svm/machine.scm b/src/compiler/machines/svm/machine.scm
index a9044e125..c9e840d1f 100644
--- a/src/compiler/machines/svm/machine.scm
+++ b/src/compiler/machines/svm/machine.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/svm/make.scm b/src/compiler/machines/svm/make.scm
index e47668aa5..84016438e 100644
--- a/src/compiler/machines/svm/make.scm
+++ b/src/compiler/machines/svm/make.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/svm/rgspcm.scm b/src/compiler/machines/svm/rgspcm.scm
index 9de96f49d..4864c829b 100644
--- a/src/compiler/machines/svm/rgspcm.scm
+++ b/src/compiler/machines/svm/rgspcm.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/svm/rules.scm b/src/compiler/machines/svm/rules.scm
index 63792d741..895897422 100644
--- a/src/compiler/machines/svm/rules.scm
+++ b/src/compiler/machines/svm/rules.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/assmd.scm b/src/compiler/machines/x86-64/assmd.scm
index 49390cff6..85bacfa22 100644
--- a/src/compiler/machines/x86-64/assmd.scm
+++ b/src/compiler/machines/x86-64/assmd.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/coerce.scm b/src/compiler/machines/x86-64/coerce.scm
index cc4b51983..e9cc3f7f9 100644
--- a/src/compiler/machines/x86-64/coerce.scm
+++ b/src/compiler/machines/x86-64/coerce.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/compiler.cbf b/src/compiler/machines/x86-64/compiler.cbf
index 0a0157563..e2eed0038 100644
--- a/src/compiler/machines/x86-64/compiler.cbf
+++ b/src/compiler/machines/x86-64/compiler.cbf
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/compiler.pkg b/src/compiler/machines/x86-64/compiler.pkg
index b1bab34a4..60f19890c 100644
--- a/src/compiler/machines/x86-64/compiler.pkg
+++ b/src/compiler/machines/x86-64/compiler.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/compiler.sf b/src/compiler/machines/x86-64/compiler.sf
index 9cadbd49f..b0050d7d2 100644
--- a/src/compiler/machines/x86-64/compiler.sf
+++ b/src/compiler/machines/x86-64/compiler.sf
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/dassm1.scm b/src/compiler/machines/x86-64/dassm1.scm
index 2f4b88a64..b0f242849 100644
--- a/src/compiler/machines/x86-64/dassm1.scm
+++ b/src/compiler/machines/x86-64/dassm1.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/dassm2.scm b/src/compiler/machines/x86-64/dassm2.scm
index 830f4309d..53bbfade1 100644
--- a/src/compiler/machines/x86-64/dassm2.scm
+++ b/src/compiler/machines/x86-64/dassm2.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/dassm3.scm b/src/compiler/machines/x86-64/dassm3.scm
index 1ed9f441e..f1245c64b 100644
--- a/src/compiler/machines/x86-64/dassm3.scm
+++ b/src/compiler/machines/x86-64/dassm3.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/decls.scm b/src/compiler/machines/x86-64/decls.scm
index 0c7f8f937..17b8892d4 100644
--- a/src/compiler/machines/x86-64/decls.scm
+++ b/src/compiler/machines/x86-64/decls.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/insmac.scm b/src/compiler/machines/x86-64/insmac.scm
index 8aed4c98a..7f835bc74 100644
--- a/src/compiler/machines/x86-64/insmac.scm
+++ b/src/compiler/machines/x86-64/insmac.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/instr1.scm b/src/compiler/machines/x86-64/instr1.scm
index 98da4c50f..074c99100 100644
--- a/src/compiler/machines/x86-64/instr1.scm
+++ b/src/compiler/machines/x86-64/instr1.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/instr2.scm b/src/compiler/machines/x86-64/instr2.scm
index 1600c8abc..dfa533f9c 100644
--- a/src/compiler/machines/x86-64/instr2.scm
+++ b/src/compiler/machines/x86-64/instr2.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/instrf.scm b/src/compiler/machines/x86-64/instrf.scm
index ef3b893b8..95ef140a2 100644
--- a/src/compiler/machines/x86-64/instrf.scm
+++ b/src/compiler/machines/x86-64/instrf.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/insutl.scm b/src/compiler/machines/x86-64/insutl.scm
index 00000ba08..0de5a9c8c 100644
--- a/src/compiler/machines/x86-64/insutl.scm
+++ b/src/compiler/machines/x86-64/insutl.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/lapgen.scm b/src/compiler/machines/x86-64/lapgen.scm
index 50312549c..55f1a54f6 100644
--- a/src/compiler/machines/x86-64/lapgen.scm
+++ b/src/compiler/machines/x86-64/lapgen.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/lapopt.scm b/src/compiler/machines/x86-64/lapopt.scm
index 50c05c10e..2d0505775 100644
--- a/src/compiler/machines/x86-64/lapopt.scm
+++ b/src/compiler/machines/x86-64/lapopt.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/machin.scm b/src/compiler/machines/x86-64/machin.scm
index 80c95fd33..e69624d35 100644
--- a/src/compiler/machines/x86-64/machin.scm
+++ b/src/compiler/machines/x86-64/machin.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/make.scm b/src/compiler/machines/x86-64/make.scm
index 9689fc23d..9c7182022 100644
--- a/src/compiler/machines/x86-64/make.scm
+++ b/src/compiler/machines/x86-64/make.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/pc-make.scm b/src/compiler/machines/x86-64/pc-make.scm
index 0384848e1..3e195430b 100644
--- a/src/compiler/machines/x86-64/pc-make.scm
+++ b/src/compiler/machines/x86-64/pc-make.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/rgspcm.scm b/src/compiler/machines/x86-64/rgspcm.scm
index 2b9a80b93..7ced14d1a 100644
--- a/src/compiler/machines/x86-64/rgspcm.scm
+++ b/src/compiler/machines/x86-64/rgspcm.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/rules1.scm b/src/compiler/machines/x86-64/rules1.scm
index 787d50243..de4b205f9 100644
--- a/src/compiler/machines/x86-64/rules1.scm
+++ b/src/compiler/machines/x86-64/rules1.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/rules2.scm b/src/compiler/machines/x86-64/rules2.scm
index fb50aad86..21d449a52 100644
--- a/src/compiler/machines/x86-64/rules2.scm
+++ b/src/compiler/machines/x86-64/rules2.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/rules3.scm b/src/compiler/machines/x86-64/rules3.scm
index 376314548..a5d43d4da 100644
--- a/src/compiler/machines/x86-64/rules3.scm
+++ b/src/compiler/machines/x86-64/rules3.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/rules4.scm b/src/compiler/machines/x86-64/rules4.scm
index 7122272a4..3c20a034b 100644
--- a/src/compiler/machines/x86-64/rules4.scm
+++ b/src/compiler/machines/x86-64/rules4.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/rulfix.scm b/src/compiler/machines/x86-64/rulfix.scm
index c8fa76f37..0eb803436 100644
--- a/src/compiler/machines/x86-64/rulfix.scm
+++ b/src/compiler/machines/x86-64/rulfix.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/rulflo.scm b/src/compiler/machines/x86-64/rulflo.scm
index 3cdebd196..7c45016a3 100644
--- a/src/compiler/machines/x86-64/rulflo.scm
+++ b/src/compiler/machines/x86-64/rulflo.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/machines/x86-64/rulrew.scm b/src/compiler/machines/x86-64/rulrew.scm
index 1f6391022..c89978c36 100644
--- a/src/compiler/machines/x86-64/rulrew.scm
+++ b/src/compiler/machines/x86-64/rulrew.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlbase/regset.scm b/src/compiler/rtlbase/regset.scm
index 780403486..38d85a2bb 100644
--- a/src/compiler/rtlbase/regset.scm
+++ b/src/compiler/rtlbase/regset.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlbase/rgraph.scm b/src/compiler/rtlbase/rgraph.scm
index d7e60b5e7..2ee2845ed 100644
--- a/src/compiler/rtlbase/rgraph.scm
+++ b/src/compiler/rtlbase/rgraph.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlbase/rtlcfg.scm b/src/compiler/rtlbase/rtlcfg.scm
index d9a8bfecf..c88de4a95 100644
--- a/src/compiler/rtlbase/rtlcfg.scm
+++ b/src/compiler/rtlbase/rtlcfg.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlbase/rtlcon.scm b/src/compiler/rtlbase/rtlcon.scm
index b31d1eb3e..6e3656223 100644
--- a/src/compiler/rtlbase/rtlcon.scm
+++ b/src/compiler/rtlbase/rtlcon.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlbase/rtlexp.scm b/src/compiler/rtlbase/rtlexp.scm
index cba25f6b4..259aabadc 100644
--- a/src/compiler/rtlbase/rtlexp.scm
+++ b/src/compiler/rtlbase/rtlexp.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlbase/rtline.scm b/src/compiler/rtlbase/rtline.scm
index 41e4dab74..9c32243c1 100644
--- a/src/compiler/rtlbase/rtline.scm
+++ b/src/compiler/rtlbase/rtline.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlbase/rtlobj.scm b/src/compiler/rtlbase/rtlobj.scm
index cf8e5d9d8..bede462db 100644
--- a/src/compiler/rtlbase/rtlobj.scm
+++ b/src/compiler/rtlbase/rtlobj.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlbase/rtlreg.scm b/src/compiler/rtlbase/rtlreg.scm
index 48166802e..ecb4c4e25 100644
--- a/src/compiler/rtlbase/rtlreg.scm
+++ b/src/compiler/rtlbase/rtlreg.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlbase/rtlty1.scm b/src/compiler/rtlbase/rtlty1.scm
index 1a1a11dd0..736aa5726 100644
--- a/src/compiler/rtlbase/rtlty1.scm
+++ b/src/compiler/rtlbase/rtlty1.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlbase/rtlty2.scm b/src/compiler/rtlbase/rtlty2.scm
index 7286e9c62..f0e23cbd4 100644
--- a/src/compiler/rtlbase/rtlty2.scm
+++ b/src/compiler/rtlbase/rtlty2.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlbase/valclass.scm b/src/compiler/rtlbase/valclass.scm
index 06b9361f4..05e1a712c 100644
--- a/src/compiler/rtlbase/valclass.scm
+++ b/src/compiler/rtlbase/valclass.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlgen/fndblk.scm b/src/compiler/rtlgen/fndblk.scm
index 2f4ae33d3..00961e3dd 100644
--- a/src/compiler/rtlgen/fndblk.scm
+++ b/src/compiler/rtlgen/fndblk.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlgen/fndvar.scm b/src/compiler/rtlgen/fndvar.scm
index 31a12fe87..1c93d8aaf 100644
--- a/src/compiler/rtlgen/fndvar.scm
+++ b/src/compiler/rtlgen/fndvar.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlgen/opncod.scm b/src/compiler/rtlgen/opncod.scm
index cdf367ef4..d3da49c00 100644
--- a/src/compiler/rtlgen/opncod.scm
+++ b/src/compiler/rtlgen/opncod.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlgen/rgcomb.scm b/src/compiler/rtlgen/rgcomb.scm
index e1483a3ca..4e99919d0 100644
--- a/src/compiler/rtlgen/rgcomb.scm
+++ b/src/compiler/rtlgen/rgcomb.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlgen/rgproc.scm b/src/compiler/rtlgen/rgproc.scm
index eff5a3987..4490875c5 100644
--- a/src/compiler/rtlgen/rgproc.scm
+++ b/src/compiler/rtlgen/rgproc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlgen/rgretn.scm b/src/compiler/rtlgen/rgretn.scm
index 3a1c6b6cb..d5bfc5680 100644
--- a/src/compiler/rtlgen/rgretn.scm
+++ b/src/compiler/rtlgen/rgretn.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlgen/rgrval.scm b/src/compiler/rtlgen/rgrval.scm
index 313912e37..a144656f8 100644
--- a/src/compiler/rtlgen/rgrval.scm
+++ b/src/compiler/rtlgen/rgrval.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlgen/rgstmt.scm b/src/compiler/rtlgen/rgstmt.scm
index 040c0e4ac..4c8910bbe 100644
--- a/src/compiler/rtlgen/rgstmt.scm
+++ b/src/compiler/rtlgen/rgstmt.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlgen/rtlgen.scm b/src/compiler/rtlgen/rtlgen.scm
index 6e63a27eb..7488be6e8 100644
--- a/src/compiler/rtlgen/rtlgen.scm
+++ b/src/compiler/rtlgen/rtlgen.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlopt/ralloc.scm b/src/compiler/rtlopt/ralloc.scm
index bb877ef7b..79b7dd152 100644
--- a/src/compiler/rtlopt/ralloc.scm
+++ b/src/compiler/rtlopt/ralloc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlopt/rcompr.scm b/src/compiler/rtlopt/rcompr.scm
index 15d702c98..ec65cc27e 100644
--- a/src/compiler/rtlopt/rcompr.scm
+++ b/src/compiler/rtlopt/rcompr.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlopt/rcse1.scm b/src/compiler/rtlopt/rcse1.scm
index 02a66c339..f0b71d358 100644
--- a/src/compiler/rtlopt/rcse1.scm
+++ b/src/compiler/rtlopt/rcse1.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlopt/rcse2.scm b/src/compiler/rtlopt/rcse2.scm
index 46580ba5f..ca2bf3cea 100644
--- a/src/compiler/rtlopt/rcse2.scm
+++ b/src/compiler/rtlopt/rcse2.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlopt/rcseep.scm b/src/compiler/rtlopt/rcseep.scm
index beca6305b..3d7464cbf 100644
--- a/src/compiler/rtlopt/rcseep.scm
+++ b/src/compiler/rtlopt/rcseep.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlopt/rcseht.scm b/src/compiler/rtlopt/rcseht.scm
index 3be0dad16..ee5cbb157 100644
--- a/src/compiler/rtlopt/rcseht.scm
+++ b/src/compiler/rtlopt/rcseht.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlopt/rcserq.scm b/src/compiler/rtlopt/rcserq.scm
index 2eab867d4..f036e8f43 100644
--- a/src/compiler/rtlopt/rcserq.scm
+++ b/src/compiler/rtlopt/rcserq.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlopt/rcsesr.scm b/src/compiler/rtlopt/rcsesr.scm
index 379a50a7b..0d395dfc5 100644
--- a/src/compiler/rtlopt/rcsesr.scm
+++ b/src/compiler/rtlopt/rcsesr.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlopt/rdebug.scm b/src/compiler/rtlopt/rdebug.scm
index e6549582f..384e9911c 100644
--- a/src/compiler/rtlopt/rdebug.scm
+++ b/src/compiler/rtlopt/rdebug.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlopt/rdflow.scm b/src/compiler/rtlopt/rdflow.scm
index 9078a80cb..4dbc0f3da 100644
--- a/src/compiler/rtlopt/rdflow.scm
+++ b/src/compiler/rtlopt/rdflow.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlopt/rerite.scm b/src/compiler/rtlopt/rerite.scm
index 33ba2656d..b77aa3e65 100644
--- a/src/compiler/rtlopt/rerite.scm
+++ b/src/compiler/rtlopt/rerite.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlopt/rinvex.scm b/src/compiler/rtlopt/rinvex.scm
index 234a21da3..342024207 100644
--- a/src/compiler/rtlopt/rinvex.scm
+++ b/src/compiler/rtlopt/rinvex.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlopt/rlife.scm b/src/compiler/rtlopt/rlife.scm
index d62d65670..beef87d35 100644
--- a/src/compiler/rtlopt/rlife.scm
+++ b/src/compiler/rtlopt/rlife.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/compiler/rtlopt/rtlcsm.scm b/src/compiler/rtlopt/rtlcsm.scm
index 64617bf0b..0f5559c0b 100644
--- a/src/compiler/rtlopt/rtlcsm.scm
+++ b/src/compiler/rtlopt/rtlcsm.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/configure.ac b/src/configure.ac
index 0fd6d9fe8..80794cee2 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -9,7 +9,7 @@ AC_COPYRIGHT(
 [Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/cref/anfile.scm b/src/cref/anfile.scm
index 8c8a6200b..fef01cc1d 100644
--- a/src/cref/anfile.scm
+++ b/src/cref/anfile.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/cref/conpkg.scm b/src/cref/conpkg.scm
index 94c55cb95..e36b2848a 100644
--- a/src/cref/conpkg.scm
+++ b/src/cref/conpkg.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/cref/cref.cbf b/src/cref/cref.cbf
index 250ac8851..500601740 100644
--- a/src/cref/cref.cbf
+++ b/src/cref/cref.cbf
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/cref/cref.pkg b/src/cref/cref.pkg
index e48862271..0e6883acd 100644
--- a/src/cref/cref.pkg
+++ b/src/cref/cref.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/cref/cref.sf b/src/cref/cref.sf
index 653143b99..a8c11502e 100644
--- a/src/cref/cref.sf
+++ b/src/cref/cref.sf
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/cref/forpkg.scm b/src/cref/forpkg.scm
index 90f052f44..7f1b6c19c 100644
--- a/src/cref/forpkg.scm
+++ b/src/cref/forpkg.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/cref/make.scm b/src/cref/make.scm
index 5110e0d91..81b1a0229 100644
--- a/src/cref/make.scm
+++ b/src/cref/make.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/cref/mset.scm b/src/cref/mset.scm
index 1f70f2652..056116dfe 100644
--- a/src/cref/mset.scm
+++ b/src/cref/mset.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/cref/object.scm b/src/cref/object.scm
index 8021ae5f1..c8b5f1381 100644
--- a/src/cref/object.scm
+++ b/src/cref/object.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/cref/redpkg.scm b/src/cref/redpkg.scm
index 33aaa8369..53029a31a 100644
--- a/src/cref/redpkg.scm
+++ b/src/cref/redpkg.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/cref/toplev.scm b/src/cref/toplev.scm
index c6cdbce6d..f62da70e9 100644
--- a/src/cref/toplev.scm
+++ b/src/cref/toplev.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/cref/triv.pkg b/src/cref/triv.pkg
index 184192789..20988a7e5 100644
--- a/src/cref/triv.pkg
+++ b/src/cref/triv.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/Clean.sh b/src/edwin/Clean.sh
index 7f78fa431..cf93aedee 100755
--- a/src/edwin/Clean.sh
+++ b/src/edwin/Clean.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/edwin/Makefile.am b/src/edwin/Makefile.am
index ff758bd1b..36e76f555 100644
--- a/src/edwin/Makefile.am
+++ b/src/edwin/Makefile.am
@@ -1,9 +1,10 @@
 ## Process this file with automake to produce Makefile.in
 ##
 ## Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
-##     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
-##     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
-##     Massachusetts Institute of Technology
+##     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+##     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
+##     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+##     Technology
 ##
 ## This file is part of MIT/GNU Scheme.
 ##
diff --git a/src/edwin/NEWS b/src/edwin/NEWS
index 72a93db57..bd1d1254a 100644
--- a/src/edwin/NEWS
+++ b/src/edwin/NEWS
@@ -3,7 +3,7 @@ mit-scheme-edwin NEWS -- history of user-visible changes.
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/abbrev.scm b/src/edwin/abbrev.scm
index e42fe7501..0438f8c26 100644
--- a/src/edwin/abbrev.scm
+++ b/src/edwin/abbrev.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/ansi.scm b/src/edwin/ansi.scm
index 490ced7cc..67e9f8297 100644
--- a/src/edwin/ansi.scm
+++ b/src/edwin/ansi.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/argred.scm b/src/edwin/argred.scm
index 3796111e7..20bc73739 100644
--- a/src/edwin/argred.scm
+++ b/src/edwin/argred.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/artdebug.scm b/src/edwin/artdebug.scm
index dac2020c6..90e091903 100644
--- a/src/edwin/artdebug.scm
+++ b/src/edwin/artdebug.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/autold.scm b/src/edwin/autold.scm
index d09c93ad3..f58e4e310 100644
--- a/src/edwin/autold.scm
+++ b/src/edwin/autold.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/autosv.scm b/src/edwin/autosv.scm
index b7e1b6736..ef7402bcb 100644
--- a/src/edwin/autosv.scm
+++ b/src/edwin/autosv.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/basic.scm b/src/edwin/basic.scm
index 1eb763ad4..4ab932347 100644
--- a/src/edwin/basic.scm
+++ b/src/edwin/basic.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/bios.scm b/src/edwin/bios.scm
index c477a402b..81b2bea9e 100644
--- a/src/edwin/bios.scm
+++ b/src/edwin/bios.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/bufcom.scm b/src/edwin/bufcom.scm
index 60371c94d..79c0902ad 100644
--- a/src/edwin/bufcom.scm
+++ b/src/edwin/bufcom.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/buffer.scm b/src/edwin/buffer.scm
index eca2e35e7..9286dbe22 100644
--- a/src/edwin/buffer.scm
+++ b/src/edwin/buffer.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/buffrm.scm b/src/edwin/buffrm.scm
index 1aaeca757..223b90d49 100644
--- a/src/edwin/buffrm.scm
+++ b/src/edwin/buffrm.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/bufinp.scm b/src/edwin/bufinp.scm
index 237dcba82..dc76cb783 100644
--- a/src/edwin/bufinp.scm
+++ b/src/edwin/bufinp.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/bufmnu.scm b/src/edwin/bufmnu.scm
index 2eed9b445..58661283d 100644
--- a/src/edwin/bufmnu.scm
+++ b/src/edwin/bufmnu.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/bufout.scm b/src/edwin/bufout.scm
index 2b7d9dfc6..d6d866381 100644
--- a/src/edwin/bufout.scm
+++ b/src/edwin/bufout.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/bufset.scm b/src/edwin/bufset.scm
index 598cc5685..b6bf98ac5 100644
--- a/src/edwin/bufset.scm
+++ b/src/edwin/bufset.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/bufwfs.scm b/src/edwin/bufwfs.scm
index 8bc2ee663..4bf2ed772 100644
--- a/src/edwin/bufwfs.scm
+++ b/src/edwin/bufwfs.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/bufwin.scm b/src/edwin/bufwin.scm
index 7314819a1..851e4a4a6 100644
--- a/src/edwin/bufwin.scm
+++ b/src/edwin/bufwin.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/bufwiu.scm b/src/edwin/bufwiu.scm
index a37bd56ad..ace00a017 100644
--- a/src/edwin/bufwiu.scm
+++ b/src/edwin/bufwiu.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/bufwmc.scm b/src/edwin/bufwmc.scm
index 82cc925f0..429ea1a0e 100644
--- a/src/edwin/bufwmc.scm
+++ b/src/edwin/bufwmc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/c-mode.scm b/src/edwin/c-mode.scm
index 91bbb9625..f7a880942 100644
--- a/src/edwin/c-mode.scm
+++ b/src/edwin/c-mode.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/calias.scm b/src/edwin/calias.scm
index bbe8ed751..fae296717 100644
--- a/src/edwin/calias.scm
+++ b/src/edwin/calias.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/cinden.scm b/src/edwin/cinden.scm
index 37165a61a..e4b278104 100644
--- a/src/edwin/cinden.scm
+++ b/src/edwin/cinden.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/class.scm b/src/edwin/class.scm
index 3e345f62f..fc48a3d00 100644
--- a/src/edwin/class.scm
+++ b/src/edwin/class.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/clscon.scm b/src/edwin/clscon.scm
index 0494d9375..296be566e 100644
--- a/src/edwin/clscon.scm
+++ b/src/edwin/clscon.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/clsmac.scm b/src/edwin/clsmac.scm
index 9cd0f7ca3..7d7d5d1b0 100644
--- a/src/edwin/clsmac.scm
+++ b/src/edwin/clsmac.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/comatch.scm b/src/edwin/comatch.scm
index c5b562cae..beb151cdc 100644
--- a/src/edwin/comatch.scm
+++ b/src/edwin/comatch.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/comhst.scm b/src/edwin/comhst.scm
index 04b5bba2d..58130fc93 100644
--- a/src/edwin/comhst.scm
+++ b/src/edwin/comhst.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/comint.scm b/src/edwin/comint.scm
index 8cbdd4c02..f0281b820 100644
--- a/src/edwin/comint.scm
+++ b/src/edwin/comint.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/comman.scm b/src/edwin/comman.scm
index dd6124c46..9fe146c69 100644
--- a/src/edwin/comman.scm
+++ b/src/edwin/comman.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/compile.scm b/src/edwin/compile.scm
index d97450d6a..142489865 100644
--- a/src/edwin/compile.scm
+++ b/src/edwin/compile.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/compile.sh b/src/edwin/compile.sh
index c63e39c4c..a5ddd7dc3 100755
--- a/src/edwin/compile.sh
+++ b/src/edwin/compile.sh
@@ -2,9 +2,10 @@
 # -*-Scheme-*-
 #
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
-#     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
-#     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
-#     Massachusetts Institute of Technology
+#     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+#     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/edwin/comred.scm b/src/edwin/comred.scm
index e39234b31..320e7467e 100644
--- a/src/edwin/comred.scm
+++ b/src/edwin/comred.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/comtab.scm b/src/edwin/comtab.scm
index 86d338ce4..afb7057bc 100644
--- a/src/edwin/comtab.scm
+++ b/src/edwin/comtab.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/comwin.scm b/src/edwin/comwin.scm
index 54b14eb33..62c7da4e8 100644
--- a/src/edwin/comwin.scm
+++ b/src/edwin/comwin.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/configure.ac b/src/edwin/configure.ac
index 10e0148e4..e8f045ea6 100644
--- a/src/edwin/configure.ac
+++ b/src/edwin/configure.ac
@@ -10,7 +10,7 @@ AC_COPYRIGHT(
 [Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/curren.scm b/src/edwin/curren.scm
index c175630ad..868aa1243 100644
--- a/src/edwin/curren.scm
+++ b/src/edwin/curren.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/dabbrev.scm b/src/edwin/dabbrev.scm
index 03c254c09..38130754b 100644
--- a/src/edwin/dabbrev.scm
+++ b/src/edwin/dabbrev.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/debian-changelog.scm b/src/edwin/debian-changelog.scm
index af7f4042c..b6df4a4f7 100644
--- a/src/edwin/debian-changelog.scm
+++ b/src/edwin/debian-changelog.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/debug.scm b/src/edwin/debug.scm
index dbb9a7907..76c1ff1dd 100644
--- a/src/edwin/debug.scm
+++ b/src/edwin/debug.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/debuge.scm b/src/edwin/debuge.scm
index 0068e8f33..4037155ae 100644
--- a/src/edwin/debuge.scm
+++ b/src/edwin/debuge.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/decls.scm b/src/edwin/decls.scm
index 6f9183c60..f1e74de1b 100644
--- a/src/edwin/decls.scm
+++ b/src/edwin/decls.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/dired.scm b/src/edwin/dired.scm
index 4f1d92d2b..52031a648 100644
--- a/src/edwin/dired.scm
+++ b/src/edwin/dired.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/dirunx.scm b/src/edwin/dirunx.scm
index 4efd47174..a96431671 100644
--- a/src/edwin/dirunx.scm
+++ b/src/edwin/dirunx.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/dirw32.scm b/src/edwin/dirw32.scm
index 81013b8cf..dc1cd7810 100644
--- a/src/edwin/dirw32.scm
+++ b/src/edwin/dirw32.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/display.scm b/src/edwin/display.scm
index 672bf77eb..03cf6b402 100644
--- a/src/edwin/display.scm
+++ b/src/edwin/display.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/docstr.scm b/src/edwin/docstr.scm
index ee60caf81..d4dc36a80 100644
--- a/src/edwin/docstr.scm
+++ b/src/edwin/docstr.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/dos.scm b/src/edwin/dos.scm
index 447412b7c..e33767868 100644
--- a/src/edwin/dos.scm
+++ b/src/edwin/dos.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/doscom.scm b/src/edwin/doscom.scm
index 37e7188e4..6da67c579 100644
--- a/src/edwin/doscom.scm
+++ b/src/edwin/doscom.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/dosfile.scm b/src/edwin/dosfile.scm
index 0a4ef2c45..02835fbb0 100644
--- a/src/edwin/dosfile.scm
+++ b/src/edwin/dosfile.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/dosproc.scm b/src/edwin/dosproc.scm
index 03d2e1a88..96a00bf57 100644
--- a/src/edwin/dosproc.scm
+++ b/src/edwin/dosproc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/dosshell.scm b/src/edwin/dosshell.scm
index 37e2b8a5e..209f056c1 100644
--- a/src/edwin/dosshell.scm
+++ b/src/edwin/dosshell.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/ed-ffi.scm b/src/edwin/ed-ffi.scm
index 9764c7df3..7aa7f8d1e 100644
--- a/src/edwin/ed-ffi.scm
+++ b/src/edwin/ed-ffi.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/editor.scm b/src/edwin/editor.scm
index bb584615e..e5d2d5e77 100644
--- a/src/edwin/editor.scm
+++ b/src/edwin/editor.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/edtfrm.scm b/src/edwin/edtfrm.scm
index 671d54aa4..eb078787d 100644
--- a/src/edwin/edtfrm.scm
+++ b/src/edwin/edtfrm.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/edtstr.scm b/src/edwin/edtstr.scm
index 46c4ce85f..ae279ccba 100644
--- a/src/edwin/edtstr.scm
+++ b/src/edwin/edtstr.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/edwin.cbf b/src/edwin/edwin.cbf
index 1e559718c..53ec41534 100644
--- a/src/edwin/edwin.cbf
+++ b/src/edwin/edwin.cbf
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/edwin.ldr b/src/edwin/edwin.ldr
index d3282eb4c..cbfe05a7c 100644
--- a/src/edwin/edwin.ldr
+++ b/src/edwin/edwin.ldr
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/edwin.pkg b/src/edwin/edwin.pkg
index a1a03839e..1cf785ae4 100644
--- a/src/edwin/edwin.pkg
+++ b/src/edwin/edwin.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/edwin.sf b/src/edwin/edwin.sf
index 35b4ce744..ab363fd6d 100644
--- a/src/edwin/edwin.sf
+++ b/src/edwin/edwin.sf
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/evlcom.scm b/src/edwin/evlcom.scm
index 70699fd91..ee467f44c 100644
--- a/src/edwin/evlcom.scm
+++ b/src/edwin/evlcom.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/eystep.scm b/src/edwin/eystep.scm
index ccec92bf5..3ec1d9618 100644
--- a/src/edwin/eystep.scm
+++ b/src/edwin/eystep.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/filcom.scm b/src/edwin/filcom.scm
index 281f6004c..58fb48261 100644
--- a/src/edwin/filcom.scm
+++ b/src/edwin/filcom.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/fileio.scm b/src/edwin/fileio.scm
index a5474aae4..5d3c8aef4 100644
--- a/src/edwin/fileio.scm
+++ b/src/edwin/fileio.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/fill.scm b/src/edwin/fill.scm
index 7318de47e..8420cdf81 100644
--- a/src/edwin/fill.scm
+++ b/src/edwin/fill.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/grpops.scm b/src/edwin/grpops.scm
index 9211748f3..19c66e195 100644
--- a/src/edwin/grpops.scm
+++ b/src/edwin/grpops.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/hlpcom.scm b/src/edwin/hlpcom.scm
index f4260e426..bbb01c1f4 100644
--- a/src/edwin/hlpcom.scm
+++ b/src/edwin/hlpcom.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/htmlmode.scm b/src/edwin/htmlmode.scm
index 0bc56646d..7012451cf 100644
--- a/src/edwin/htmlmode.scm
+++ b/src/edwin/htmlmode.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/image.scm b/src/edwin/image.scm
index 38bf52102..52892182b 100644
--- a/src/edwin/image.scm
+++ b/src/edwin/image.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/info.scm b/src/edwin/info.scm
index 0ec491cbe..965da136f 100644
--- a/src/edwin/info.scm
+++ b/src/edwin/info.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/input.scm b/src/edwin/input.scm
index 6a89f080c..87010e3ef 100644
--- a/src/edwin/input.scm
+++ b/src/edwin/input.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/intmod.scm b/src/edwin/intmod.scm
index b13526a73..cf4db8be6 100644
--- a/src/edwin/intmod.scm
+++ b/src/edwin/intmod.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/iserch.scm b/src/edwin/iserch.scm
index 9c9b9daa5..3f83a8693 100644
--- a/src/edwin/iserch.scm
+++ b/src/edwin/iserch.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/javamode.scm b/src/edwin/javamode.scm
index 2faa95374..4912a44c2 100644
--- a/src/edwin/javamode.scm
+++ b/src/edwin/javamode.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/key-w32.scm b/src/edwin/key-w32.scm
index 95ef82d81..64fa8e600 100644
--- a/src/edwin/key-w32.scm
+++ b/src/edwin/key-w32.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/keymap.scm b/src/edwin/keymap.scm
index a17540158..f3a588a96 100644
--- a/src/edwin/keymap.scm
+++ b/src/edwin/keymap.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/keyparse.scm b/src/edwin/keyparse.scm
index 594fd6879..6527d6dc6 100644
--- a/src/edwin/keyparse.scm
+++ b/src/edwin/keyparse.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/kilcom.scm b/src/edwin/kilcom.scm
index 738e4fadb..742cb7e05 100644
--- a/src/edwin/kilcom.scm
+++ b/src/edwin/kilcom.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/kmacro.scm b/src/edwin/kmacro.scm
index f160d1e39..873bbc01d 100644
--- a/src/edwin/kmacro.scm
+++ b/src/edwin/kmacro.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/lincom.scm b/src/edwin/lincom.scm
index 7a412126d..97b5075fe 100644
--- a/src/edwin/lincom.scm
+++ b/src/edwin/lincom.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/linden.scm b/src/edwin/linden.scm
index 1f17c660e..777085f3a 100644
--- a/src/edwin/linden.scm
+++ b/src/edwin/linden.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/loadef.scm b/src/edwin/loadef.scm
index 97a6eaa09..52f8f2af8 100644
--- a/src/edwin/loadef.scm
+++ b/src/edwin/loadef.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/lspcom.scm b/src/edwin/lspcom.scm
index 5b3ca0575..dae77f1c4 100644
--- a/src/edwin/lspcom.scm
+++ b/src/edwin/lspcom.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/macros.scm b/src/edwin/macros.scm
index f97f00405..affcafbf7 100644
--- a/src/edwin/macros.scm
+++ b/src/edwin/macros.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/make.scm b/src/edwin/make.scm
index 2a5c59ab8..0576e8892 100644
--- a/src/edwin/make.scm
+++ b/src/edwin/make.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/malias.scm b/src/edwin/malias.scm
index 97166c731..e0e883d02 100644
--- a/src/edwin/malias.scm
+++ b/src/edwin/malias.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/manual.scm b/src/edwin/manual.scm
index 08790752e..0befd51bd 100644
--- a/src/edwin/manual.scm
+++ b/src/edwin/manual.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/midas.scm b/src/edwin/midas.scm
index f7f78c0c4..a10b36088 100644
--- a/src/edwin/midas.scm
+++ b/src/edwin/midas.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/modefs.scm b/src/edwin/modefs.scm
index eb601d62e..447a7ecd9 100644
--- a/src/edwin/modefs.scm
+++ b/src/edwin/modefs.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/modes.scm b/src/edwin/modes.scm
index 714e7ca36..272cc403e 100644
--- a/src/edwin/modes.scm
+++ b/src/edwin/modes.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/modlin.scm b/src/edwin/modlin.scm
index 93bef37e0..f5bca9724 100644
--- a/src/edwin/modlin.scm
+++ b/src/edwin/modlin.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/modwin.scm b/src/edwin/modwin.scm
index 486f9a8f3..cf7916636 100644
--- a/src/edwin/modwin.scm
+++ b/src/edwin/modwin.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/motcom.scm b/src/edwin/motcom.scm
index 79b407708..0b63f91be 100644
--- a/src/edwin/motcom.scm
+++ b/src/edwin/motcom.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/motion.scm b/src/edwin/motion.scm
index 2bbbca875..b71ee38fe 100644
--- a/src/edwin/motion.scm
+++ b/src/edwin/motion.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/mousecom.scm b/src/edwin/mousecom.scm
index cf115e5e1..f7edfb287 100644
--- a/src/edwin/mousecom.scm
+++ b/src/edwin/mousecom.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/nntp.scm b/src/edwin/nntp.scm
index 28ba41ec2..44621943e 100644
--- a/src/edwin/nntp.scm
+++ b/src/edwin/nntp.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/notify.scm b/src/edwin/notify.scm
index 8a0661a0d..975301a1b 100644
--- a/src/edwin/notify.scm
+++ b/src/edwin/notify.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/nvector.scm b/src/edwin/nvector.scm
index 780e61c50..84bdcf637 100644
--- a/src/edwin/nvector.scm
+++ b/src/edwin/nvector.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/occur.scm b/src/edwin/occur.scm
index 8048615fb..8039c686e 100644
--- a/src/edwin/occur.scm
+++ b/src/edwin/occur.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/outline.scm b/src/edwin/outline.scm
index acff59eff..110bc5766 100644
--- a/src/edwin/outline.scm
+++ b/src/edwin/outline.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/pasmod.scm b/src/edwin/pasmod.scm
index 38d9495d1..62a45d957 100644
--- a/src/edwin/pasmod.scm
+++ b/src/edwin/pasmod.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/paths.scm b/src/edwin/paths.scm
index e4567cd44..473f28503 100644
--- a/src/edwin/paths.scm
+++ b/src/edwin/paths.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/print.scm b/src/edwin/print.scm
index 87ecc44bd..5d5aec1c9 100644
--- a/src/edwin/print.scm
+++ b/src/edwin/print.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/process.scm b/src/edwin/process.scm
index f533e9759..1c2d8f835 100644
--- a/src/edwin/process.scm
+++ b/src/edwin/process.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/prompt.scm b/src/edwin/prompt.scm
index eea3539fe..8035ccc8e 100644
--- a/src/edwin/prompt.scm
+++ b/src/edwin/prompt.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/pwedit.scm b/src/edwin/pwedit.scm
index 07ef64345..e2a2373bf 100644
--- a/src/edwin/pwedit.scm
+++ b/src/edwin/pwedit.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/pwparse.scm b/src/edwin/pwparse.scm
index 1b7e4a0cf..67f224815 100644
--- a/src/edwin/pwparse.scm
+++ b/src/edwin/pwparse.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/rcsparse.scm b/src/edwin/rcsparse.scm
index bd14c9752..227b1d895 100644
--- a/src/edwin/rcsparse.scm
+++ b/src/edwin/rcsparse.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/reccom.scm b/src/edwin/reccom.scm
index f57097d68..a56b64e6d 100644
--- a/src/edwin/reccom.scm
+++ b/src/edwin/reccom.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/regcom.scm b/src/edwin/regcom.scm
index ddc0ff6e0..e27fc4188 100644
--- a/src/edwin/regcom.scm
+++ b/src/edwin/regcom.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/regexp.scm b/src/edwin/regexp.scm
index 9193ab12f..e8b3c6529 100644
--- a/src/edwin/regexp.scm
+++ b/src/edwin/regexp.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/regops.scm b/src/edwin/regops.scm
index 5dee4ba00..614ab3c28 100644
--- a/src/edwin/regops.scm
+++ b/src/edwin/regops.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/replaz.scm b/src/edwin/replaz.scm
index 6ef9d97cf..d5de7218d 100644
--- a/src/edwin/replaz.scm
+++ b/src/edwin/replaz.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/rfc822.scm b/src/edwin/rfc822.scm
index 2fa8b1e14..459690edd 100644
--- a/src/edwin/rfc822.scm
+++ b/src/edwin/rfc822.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/ring.scm b/src/edwin/ring.scm
index 24705214f..1992ba6bb 100644
--- a/src/edwin/ring.scm
+++ b/src/edwin/ring.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/rmail.scm b/src/edwin/rmail.scm
index 6a751bb49..902b9e7cd 100644
--- a/src/edwin/rmail.scm
+++ b/src/edwin/rmail.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/rmailsrt.scm b/src/edwin/rmailsrt.scm
index f628879a1..fe96e8988 100644
--- a/src/edwin/rmailsrt.scm
+++ b/src/edwin/rmailsrt.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/rmailsum.scm b/src/edwin/rmailsum.scm
index 1de00721e..d5a1a1ea1 100644
--- a/src/edwin/rmailsum.scm
+++ b/src/edwin/rmailsum.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/schmod.scm b/src/edwin/schmod.scm
index 5dac4adcc..a7d756fd5 100644
--- a/src/edwin/schmod.scm
+++ b/src/edwin/schmod.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/scrcom.scm b/src/edwin/scrcom.scm
index 9e50d98e4..3f5259f37 100644
--- a/src/edwin/scrcom.scm
+++ b/src/edwin/scrcom.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/screen.scm b/src/edwin/screen.scm
index c8474a17e..93415e34d 100644
--- a/src/edwin/screen.scm
+++ b/src/edwin/screen.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/search.scm b/src/edwin/search.scm
index 87ac23b55..8afc0d38a 100644
--- a/src/edwin/search.scm
+++ b/src/edwin/search.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/sendmail.scm b/src/edwin/sendmail.scm
index 43ee81ceb..560acafb4 100644
--- a/src/edwin/sendmail.scm
+++ b/src/edwin/sendmail.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/sercom.scm b/src/edwin/sercom.scm
index 41b9d8c32..00e48928a 100644
--- a/src/edwin/sercom.scm
+++ b/src/edwin/sercom.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/shell.scm b/src/edwin/shell.scm
index 2fd0636ea..0f3aec06a 100644
--- a/src/edwin/shell.scm
+++ b/src/edwin/shell.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/simple.scm b/src/edwin/simple.scm
index e24004c01..fed4f0bb3 100644
--- a/src/edwin/simple.scm
+++ b/src/edwin/simple.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/snr.scm b/src/edwin/snr.scm
index c552501c0..d7b0235cd 100644
--- a/src/edwin/snr.scm
+++ b/src/edwin/snr.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/sort.scm b/src/edwin/sort.scm
index ad4ded240..7cea29e68 100644
--- a/src/edwin/sort.scm
+++ b/src/edwin/sort.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/sources.scm b/src/edwin/sources.scm
index e455a65a0..a1643ce82 100644
--- a/src/edwin/sources.scm
+++ b/src/edwin/sources.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/sources.sh b/src/edwin/sources.sh
index 3778f4815..a677c23ea 100755
--- a/src/edwin/sources.sh
+++ b/src/edwin/sources.sh
@@ -1,9 +1,10 @@
 #!/bin/sh
 #
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
-#     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
-#     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-#     2017, 2018 Massachusetts Institute of Technology
+#     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+#     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/edwin/string.scm b/src/edwin/string.scm
index bc9543792..16ee86af0 100644
--- a/src/edwin/string.scm
+++ b/src/edwin/string.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/strpad.scm b/src/edwin/strpad.scm
index a7198eae1..632c0f92f 100644
--- a/src/edwin/strpad.scm
+++ b/src/edwin/strpad.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/strtab.scm b/src/edwin/strtab.scm
index d4f145c2b..ebecfbdf5 100644
--- a/src/edwin/strtab.scm
+++ b/src/edwin/strtab.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/struct.scm b/src/edwin/struct.scm
index 4764694b3..a77995f2e 100644
--- a/src/edwin/struct.scm
+++ b/src/edwin/struct.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/syntax.scm b/src/edwin/syntax.scm
index c742cfd3b..90c2e365d 100644
--- a/src/edwin/syntax.scm
+++ b/src/edwin/syntax.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/tagutl.scm b/src/edwin/tagutl.scm
index 785712b3f..49631b277 100644
--- a/src/edwin/tagutl.scm
+++ b/src/edwin/tagutl.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/techinfo.scm b/src/edwin/techinfo.scm
index b8f67d939..1d01a2269 100644
--- a/src/edwin/techinfo.scm
+++ b/src/edwin/techinfo.scm
@@ -3,7 +3,8 @@
 ;; Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 ;;     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 ;;     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-;;     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+;;     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+;;     Technology
 ;;
 ;; This file is part of MIT/GNU Scheme.
 ;;
diff --git a/src/edwin/telnet.scm b/src/edwin/telnet.scm
index f902581a0..601cf757d 100644
--- a/src/edwin/telnet.scm
+++ b/src/edwin/telnet.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/termcap.scm b/src/edwin/termcap.scm
index a25891dd6..601af588d 100644
--- a/src/edwin/termcap.scm
+++ b/src/edwin/termcap.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/texcom.scm b/src/edwin/texcom.scm
index c5b1e0ae8..cef5c5d52 100644
--- a/src/edwin/texcom.scm
+++ b/src/edwin/texcom.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/things.scm b/src/edwin/things.scm
index bfe964f98..a4601044a 100644
--- a/src/edwin/things.scm
+++ b/src/edwin/things.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/tparse.scm b/src/edwin/tparse.scm
index 8cb4dd253..a45b2b537 100644
--- a/src/edwin/tparse.scm
+++ b/src/edwin/tparse.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/tterm.scm b/src/edwin/tterm.scm
index 9d406fedc..28d1d6c8a 100644
--- a/src/edwin/tterm.scm
+++ b/src/edwin/tterm.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/tximod.scm b/src/edwin/tximod.scm
index 13a87a5e5..84078ccd5 100644
--- a/src/edwin/tximod.scm
+++ b/src/edwin/tximod.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/txtprp.scm b/src/edwin/txtprp.scm
index 84f0c805e..5700eefb9 100644
--- a/src/edwin/txtprp.scm
+++ b/src/edwin/txtprp.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/undo.scm b/src/edwin/undo.scm
index e8e144743..68655a8d3 100644
--- a/src/edwin/undo.scm
+++ b/src/edwin/undo.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/unix.scm b/src/edwin/unix.scm
index 94439fd5e..24dd0f804 100644
--- a/src/edwin/unix.scm
+++ b/src/edwin/unix.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/utils.scm b/src/edwin/utils.scm
index d4993ff09..f3ce9e37a 100644
--- a/src/edwin/utils.scm
+++ b/src/edwin/utils.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/utlwin.scm b/src/edwin/utlwin.scm
index 2ba3e568f..b31bc56dd 100644
--- a/src/edwin/utlwin.scm
+++ b/src/edwin/utlwin.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/vc-bzr.scm b/src/edwin/vc-bzr.scm
index 558e2445b..2d9a42d68 100644
--- a/src/edwin/vc-bzr.scm
+++ b/src/edwin/vc-bzr.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/vc-cvs.scm b/src/edwin/vc-cvs.scm
index d5ab07080..83a0ee823 100644
--- a/src/edwin/vc-cvs.scm
+++ b/src/edwin/vc-cvs.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/vc-git.scm b/src/edwin/vc-git.scm
index b5a3466cc..c9107d995 100644
--- a/src/edwin/vc-git.scm
+++ b/src/edwin/vc-git.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/vc-rcs.scm b/src/edwin/vc-rcs.scm
index f150204f3..c1ef4002b 100644
--- a/src/edwin/vc-rcs.scm
+++ b/src/edwin/vc-rcs.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/vc-svn.scm b/src/edwin/vc-svn.scm
index 6661ba09a..9ff9ba417 100644
--- a/src/edwin/vc-svn.scm
+++ b/src/edwin/vc-svn.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/vc.scm b/src/edwin/vc.scm
index 02bae19b0..00c87a571 100644
--- a/src/edwin/vc.scm
+++ b/src/edwin/vc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/verilog.scm b/src/edwin/verilog.scm
index 84ba5e9c9..6730b9af0 100644
--- a/src/edwin/verilog.scm
+++ b/src/edwin/verilog.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/vhdl.scm b/src/edwin/vhdl.scm
index f47f7eadc..cd3b2f6fe 100644
--- a/src/edwin/vhdl.scm
+++ b/src/edwin/vhdl.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/webster.scm b/src/edwin/webster.scm
index e8b9f08c9..1170dd9ef 100644
--- a/src/edwin/webster.scm
+++ b/src/edwin/webster.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/win32.scm b/src/edwin/win32.scm
index c3347a46d..09576a54e 100644
--- a/src/edwin/win32.scm
+++ b/src/edwin/win32.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/win32com.scm b/src/edwin/win32com.scm
index 9f2e79063..df3cb1cbe 100644
--- a/src/edwin/win32com.scm
+++ b/src/edwin/win32com.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/wincom.scm b/src/edwin/wincom.scm
index 9eedc260b..686cddd97 100644
--- a/src/edwin/wincom.scm
+++ b/src/edwin/wincom.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/window.scm b/src/edwin/window.scm
index d1e51af7c..0b6fc71d7 100644
--- a/src/edwin/window.scm
+++ b/src/edwin/window.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/winout.scm b/src/edwin/winout.scm
index 53d1f2979..aa6073eba 100644
--- a/src/edwin/winout.scm
+++ b/src/edwin/winout.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/world-monitor.scm b/src/edwin/world-monitor.scm
index b65b831fd..55c813465 100644
--- a/src/edwin/world-monitor.scm
+++ b/src/edwin/world-monitor.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/xform.scm b/src/edwin/xform.scm
index 00c06c292..45f873a56 100644
--- a/src/edwin/xform.scm
+++ b/src/edwin/xform.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/edwin/xterm.scm b/src/edwin/xterm.scm
index 731155fa7..5e3dbf0f6 100644
--- a/src/edwin/xterm.scm
+++ b/src/edwin/xterm.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/etc/Clean.sh b/src/etc/Clean.sh
index 321374dfb..fa1db7774 100755
--- a/src/etc/Clean.sh
+++ b/src/etc/Clean.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/Setup.sh b/src/etc/Setup.sh
index 4da1d7a90..8cac312e7 100755
--- a/src/etc/Setup.sh
+++ b/src/etc/Setup.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/Stage.sh b/src/etc/Stage.sh
index 0581faf11..3ac4fcb49 100755
--- a/src/etc/Stage.sh
+++ b/src/etc/Stage.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/Tags.sh b/src/etc/Tags.sh
index 553e0e5a9..aae19ac0e 100755
--- a/src/etc/Tags.sh
+++ b/src/etc/Tags.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/build-bands.sh b/src/etc/build-bands.sh
index 4da545e39..61e8a35c2 100755
--- a/src/etc/build-bands.sh
+++ b/src/etc/build-bands.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/build-boot-compiler.sh b/src/etc/build-boot-compiler.sh
index a29e9c97d..0b8897f99 100755
--- a/src/etc/build-boot-compiler.sh
+++ b/src/etc/build-boot-compiler.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/c-bundle.sh b/src/etc/c-bundle.sh
index f0c11df28..16a3b8539 100755
--- a/src/etc/c-bundle.sh
+++ b/src/etc/c-bundle.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/c-compile.sh b/src/etc/c-compile.sh
index 87cc04d95..92dab4002 100755
--- a/src/etc/c-compile.sh
+++ b/src/etc/c-compile.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/c-prepare.sh b/src/etc/c-prepare.sh
index 87d3cf8ed..f0aece4a0 100755
--- a/src/etc/c-prepare.sh
+++ b/src/etc/c-prepare.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/compile-boot-compiler.sh b/src/etc/compile-boot-compiler.sh
index 582d24aa1..0da62d219 100755
--- a/src/etc/compile-boot-compiler.sh
+++ b/src/etc/compile-boot-compiler.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/compile.scm b/src/etc/compile.scm
index 1a7bd118b..41b24c41b 100644
--- a/src/etc/compile.scm
+++ b/src/etc/compile.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/etc/compile.sh b/src/etc/compile.sh
index 5fafea6ff..a527abfa0 100755
--- a/src/etc/compile.sh
+++ b/src/etc/compile.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/create-makefiles.sh b/src/etc/create-makefiles.sh
index 75af18874..37ef90bf0 100755
--- a/src/etc/create-makefiles.sh
+++ b/src/etc/create-makefiles.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/functions.sh b/src/etc/functions.sh
index 431b543cc..e27cc2293 100644
--- a/src/etc/functions.sh
+++ b/src/etc/functions.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/install-bin-symlinks.sh b/src/etc/install-bin-symlinks.sh
index 37e00a44b..d27392fa7 100755
--- a/src/etc/install-bin-symlinks.sh
+++ b/src/etc/install-bin-symlinks.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/iso8859-converter.scm b/src/etc/iso8859-converter.scm
index 34c32caf1..d430e0c5e 100644
--- a/src/etc/iso8859-converter.scm
+++ b/src/etc/iso8859-converter.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/etc/macosx/make-app.sh b/src/etc/macosx/make-app.sh
index ae4320690..9987e62c2 100755
--- a/src/etc/macosx/make-app.sh
+++ b/src/etc/macosx/make-app.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/make-in-subdirs.sh b/src/etc/make-in-subdirs.sh
index caf53e721..52042b5b6 100755
--- a/src/etc/make-in-subdirs.sh
+++ b/src/etc/make-in-subdirs.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/make-liarc-dist.sh b/src/etc/make-liarc-dist.sh
index 9502e753c..bca51d8df 100755
--- a/src/etc/make-liarc-dist.sh
+++ b/src/etc/make-liarc-dist.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/make-liarc.sh b/src/etc/make-liarc.sh
index 754223e8b..e4618823d 100755
--- a/src/etc/make-liarc.sh
+++ b/src/etc/make-liarc.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/make-native.sh b/src/etc/make-native.sh
index f4cd02ff0..5ec2e6529 100755
--- a/src/etc/make-native.sh
+++ b/src/etc/make-native.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/maybe-update-file.sh b/src/etc/maybe-update-file.sh
index 6f9b1c983..ddc691bd1 100755
--- a/src/etc/maybe-update-file.sh
+++ b/src/etc/maybe-update-file.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/native-prepare.sh b/src/etc/native-prepare.sh
index d027fc611..9d1524d2f 100755
--- a/src/etc/native-prepare.sh
+++ b/src/etc/native-prepare.sh
@@ -5,7 +5,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/optiondb.scm b/src/etc/optiondb.scm
index c0a513767..2e57e9b66 100644
--- a/src/etc/optiondb.scm
+++ b/src/etc/optiondb.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/etc/std-makefile-prefix b/src/etc/std-makefile-prefix
index 5b170a199..d880aa45e 100644
--- a/src/etc/std-makefile-prefix
+++ b/src/etc/std-makefile-prefix
@@ -1,7 +1,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/etc/ucd-converter.scm b/src/etc/ucd-converter.scm
index ca3f59890..2ff6dcd47 100644
--- a/src/etc/ucd-converter.scm
+++ b/src/etc/ucd-converter.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/etc/utilities.scm b/src/etc/utilities.scm
index ccc717fc0..5c27a11ac 100644
--- a/src/etc/utilities.scm
+++ b/src/etc/utilities.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/ffi/build.scm b/src/ffi/build.scm
index 5e66da772..036f37715 100644
--- a/src/ffi/build.scm
+++ b/src/ffi/build.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/ffi/cdecls.scm b/src/ffi/cdecls.scm
index 8dff0c062..95411dd6e 100644
--- a/src/ffi/cdecls.scm
+++ b/src/ffi/cdecls.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/ffi/ctypes.scm b/src/ffi/ctypes.scm
index 5b4013ede..27293a797 100644
--- a/src/ffi/ctypes.scm
+++ b/src/ffi/ctypes.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/ffi/generator.scm b/src/ffi/generator.scm
index 52ab01a26..c22e87909 100644
--- a/src/ffi/generator.scm
+++ b/src/ffi/generator.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/ffi/syntax.scm b/src/ffi/syntax.scm
index a6385b000..d08a90314 100644
--- a/src/ffi/syntax.scm
+++ b/src/ffi/syntax.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/gdbm/Makefile.am b/src/gdbm/Makefile.am
index f196ec55a..a4fe1be4b 100644
--- a/src/gdbm/Makefile.am
+++ b/src/gdbm/Makefile.am
@@ -3,7 +3,8 @@
 ## Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 ##     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 ##     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-##     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+##     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+##     Technology
 ## 
 ## This file is part of MIT/GNU Scheme.
 ## 
diff --git a/src/gdbm/NEWS b/src/gdbm/NEWS
index 3050986c5..44d8c202e 100644
--- a/src/gdbm/NEWS
+++ b/src/gdbm/NEWS
@@ -3,7 +3,7 @@ mit-scheme-gdbm NEWS -- history of user-visible changes.
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/gdbm/compile.sh b/src/gdbm/compile.sh
index 04df7ca99..03f2cdcab 100755
--- a/src/gdbm/compile.sh
+++ b/src/gdbm/compile.sh
@@ -4,7 +4,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of a gdbm plugin for MIT/GNU Scheme.
 #
diff --git a/src/gdbm/configure.ac b/src/gdbm/configure.ac
index c48e642ba..148294ed0 100644
--- a/src/gdbm/configure.ac
+++ b/src/gdbm/configure.ac
@@ -12,7 +12,7 @@ AC_COPYRIGHT(
 [Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/gdbm/gdbm-adapter.c b/src/gdbm/gdbm-adapter.c
index 0c94b1d16..d58eac5f3 100644
--- a/src/gdbm/gdbm-adapter.c
+++ b/src/gdbm/gdbm-adapter.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/gdbm/gdbm-check.scm b/src/gdbm/gdbm-check.scm
index ed3a43051..e19725dff 100644
--- a/src/gdbm/gdbm-check.scm
+++ b/src/gdbm/gdbm-check.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/gdbm/gdbm-shim.h b/src/gdbm/gdbm-shim.h
index 0353eebab..dfc1d4f51 100644
--- a/src/gdbm/gdbm-shim.h
+++ b/src/gdbm/gdbm-shim.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/gdbm/gdbm.cdecl b/src/gdbm/gdbm.cdecl
index d357052b8..00335530f 100644
--- a/src/gdbm/gdbm.cdecl
+++ b/src/gdbm/gdbm.cdecl
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/gdbm/gdbm.pkg b/src/gdbm/gdbm.pkg
index 56fd964ef..8f781ea29 100644
--- a/src/gdbm/gdbm.pkg
+++ b/src/gdbm/gdbm.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/gdbm/gdbm.scm b/src/gdbm/gdbm.scm
index b87bbc8df..e915d94e7 100644
--- a/src/gdbm/gdbm.scm
+++ b/src/gdbm/gdbm.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/gdbm/mit-scheme-gdbm.texi b/src/gdbm/mit-scheme-gdbm.texi
index 2017bcdc9..611f56fea 100644
--- a/src/gdbm/mit-scheme-gdbm.texi
+++ b/src/gdbm/mit-scheme-gdbm.texi
@@ -12,7 +12,7 @@ This manual documents MIT/GNU Scheme GDBM @value{VERSION}.
 Copyright @copyright{} 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
     1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015,
-    2016, 2017, 2018 Massachusetts Institute of Technology
+    2016, 2017, 2018, 2019 Massachusetts Institute of Technology
 Copyright @copyright{} 1993-99 Free Software Foundation, Inc.
 
 @quotation
diff --git a/src/imail/Makefile.am b/src/imail/Makefile.am
index 21eb79f61..5bd5ccbd7 100644
--- a/src/imail/Makefile.am
+++ b/src/imail/Makefile.am
@@ -1,9 +1,10 @@
 ## Process this file with automake to produce Makefile.in
 ##
 ## Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
-##     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
-##     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
-##     Massachusetts Institute of Technology
+##     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+##     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
+##     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+##     Technology
 ##
 ## This file is part of MIT/GNU Scheme.
 ##
diff --git a/src/imail/NEWS b/src/imail/NEWS
index eddcebd22..63db3b323 100644
--- a/src/imail/NEWS
+++ b/src/imail/NEWS
@@ -3,7 +3,7 @@ mit-scheme-imail NEWS -- history of user-visible changes.
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/imail/compile.scm b/src/imail/compile.scm
index cc00ef572..004be582d 100644
--- a/src/imail/compile.scm
+++ b/src/imail/compile.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/imail/compile.sh b/src/imail/compile.sh
index 83fc7cf7f..2416325d8 100755
--- a/src/imail/compile.sh
+++ b/src/imail/compile.sh
@@ -2,9 +2,10 @@
 # -*-Scheme-*-
 #
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
-#     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
-#     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-#     2017, 2018 Massachusetts Institute of Technology
+#     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+#     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/imail/configure.ac b/src/imail/configure.ac
index 4e86a4b0b..cb5d412c4 100644
--- a/src/imail/configure.ac
+++ b/src/imail/configure.ac
@@ -10,7 +10,7 @@ AC_COPYRIGHT(
 [Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/imail/ed-ffi.scm b/src/imail/ed-ffi.scm
index 63206cada..195656fdc 100644
--- a/src/imail/ed-ffi.scm
+++ b/src/imail/ed-ffi.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/imail/imail-browser.scm b/src/imail/imail-browser.scm
index f398e4970..2b18a2ea3 100644
--- a/src/imail/imail-browser.scm
+++ b/src/imail/imail-browser.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/imail/imail-core.scm b/src/imail/imail-core.scm
index 3ea5af72d..d1976b28e 100644
--- a/src/imail/imail-core.scm
+++ b/src/imail/imail-core.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/imail/imail-file.scm b/src/imail/imail-file.scm
index 95e19fe25..319abcbe3 100644
--- a/src/imail/imail-file.scm
+++ b/src/imail/imail-file.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/imail/imail-imap.scm b/src/imail/imail-imap.scm
index d323f469d..243b0bf4d 100644
--- a/src/imail/imail-imap.scm
+++ b/src/imail/imail-imap.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/imail/imail-mime.scm b/src/imail/imail-mime.scm
index 10fc3080d..084bee8d5 100644
--- a/src/imail/imail-mime.scm
+++ b/src/imail/imail-mime.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 Copyright (C) 2005, 2006, 2007, 2008 Taylor R. Campbell
 
 This file is part of MIT/GNU Scheme.
diff --git a/src/imail/imail-rmail.scm b/src/imail/imail-rmail.scm
index e55b68396..8dea88950 100644
--- a/src/imail/imail-rmail.scm
+++ b/src/imail/imail-rmail.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/imail/imail-summary.scm b/src/imail/imail-summary.scm
index f9799df67..d79c57ed0 100644
--- a/src/imail/imail-summary.scm
+++ b/src/imail/imail-summary.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/imail/imail-top.scm b/src/imail/imail-top.scm
index 365decf98..f14814a95 100644
--- a/src/imail/imail-top.scm
+++ b/src/imail/imail-top.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/imail/imail-umail.scm b/src/imail/imail-umail.scm
index a24d4290b..13b987859 100644
--- a/src/imail/imail-umail.scm
+++ b/src/imail/imail-umail.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/imail/imail-util.scm b/src/imail/imail-util.scm
index f9defe1a3..b50a3021c 100644
--- a/src/imail/imail-util.scm
+++ b/src/imail/imail-util.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/imail/imail.pkg b/src/imail/imail.pkg
index e4d5792d7..db3d066a9 100644
--- a/src/imail/imail.pkg
+++ b/src/imail/imail.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/imail/imap-response.scm b/src/imail/imap-response.scm
index 1ee5cbb99..012f6bc35 100644
--- a/src/imail/imap-response.scm
+++ b/src/imail/imap-response.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/imail/imap-syntax.scm b/src/imail/imap-syntax.scm
index 1b02e2430..598e767e4 100644
--- a/src/imail/imap-syntax.scm
+++ b/src/imail/imap-syntax.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/imail/make.scm b/src/imail/make.scm
index 604b24a37..dcae28ea6 100644
--- a/src/imail/make.scm
+++ b/src/imail/make.scm
@@ -2,8 +2,8 @@
 
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
-    2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
-    Massachusetts Institute of Technology
+    2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of the IMail option for MIT/GNU Scheme.
 
diff --git a/src/imail/mit-scheme-imail.texi b/src/imail/mit-scheme-imail.texi
index 840051790..f77f5b8ee 100644
--- a/src/imail/mit-scheme-imail.texi
+++ b/src/imail/mit-scheme-imail.texi
@@ -18,7 +18,7 @@ This manual documents @acronym{IMAIL} @value{VERSION}.
 Copyright @copyright{} 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
     1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015,
-    2016, 2017, 2018 Massachusetts Institute of Technology
+    2016, 2017, 2018, 2019 Massachusetts Institute of Technology
 
 @quotation
 Permission is granted to copy, distribute and/or modify this document
diff --git a/src/imail/print.sh b/src/imail/print.sh
index 0a3230c36..e20f5eb76 100755
--- a/src/imail/print.sh
+++ b/src/imail/print.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/mcrypt/Makefile.am b/src/mcrypt/Makefile.am
index d891d6a35..8b755a024 100644
--- a/src/mcrypt/Makefile.am
+++ b/src/mcrypt/Makefile.am
@@ -3,7 +3,8 @@
 ## Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 ##     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 ##     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-##     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+##     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+##     Technology
 ## 
 ## This file is part of MIT/GNU Scheme.
 ## 
diff --git a/src/mcrypt/NEWS b/src/mcrypt/NEWS
index 361ad4ba9..26f7d4549 100644
--- a/src/mcrypt/NEWS
+++ b/src/mcrypt/NEWS
@@ -3,7 +3,7 @@ mit-scheme-mcrypt NEWS -- history of user-visible changes.
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/mcrypt/compile.sh b/src/mcrypt/compile.sh
index 20003883d..53efa0ede 100755
--- a/src/mcrypt/compile.sh
+++ b/src/mcrypt/compile.sh
@@ -4,7 +4,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of a mcrypt plugin for MIT/GNU Scheme.
 #
diff --git a/src/mcrypt/configure.ac b/src/mcrypt/configure.ac
index 14db1c8a6..c12b26d17 100644
--- a/src/mcrypt/configure.ac
+++ b/src/mcrypt/configure.ac
@@ -13,7 +13,7 @@ AC_COPYRIGHT(
 [Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
@@ -38,7 +38,7 @@ AH_TOP([/*
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/mcrypt/mcrypt-adapter.c b/src/mcrypt/mcrypt-adapter.c
index dc1c2aeac..4c61fc2e5 100644
--- a/src/mcrypt/mcrypt-adapter.c
+++ b/src/mcrypt/mcrypt-adapter.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/mcrypt/mcrypt-check.scm b/src/mcrypt/mcrypt-check.scm
index 8f294baf2..468daa764 100644
--- a/src/mcrypt/mcrypt-check.scm
+++ b/src/mcrypt/mcrypt-check.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/mcrypt/mcrypt-shim.h b/src/mcrypt/mcrypt-shim.h
index 87c8d92be..b36cf9183 100644
--- a/src/mcrypt/mcrypt-shim.h
+++ b/src/mcrypt/mcrypt-shim.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/mcrypt/mcrypt.cdecl b/src/mcrypt/mcrypt.cdecl
index 7c9e26578..546f2da1e 100644
--- a/src/mcrypt/mcrypt.cdecl
+++ b/src/mcrypt/mcrypt.cdecl
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/mcrypt/mcrypt.pkg b/src/mcrypt/mcrypt.pkg
index b023f1e85..3aeb92577 100644
--- a/src/mcrypt/mcrypt.pkg
+++ b/src/mcrypt/mcrypt.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/mcrypt/mcrypt.scm b/src/mcrypt/mcrypt.scm
index ed4117cfb..a4392b5d1 100644
--- a/src/mcrypt/mcrypt.scm
+++ b/src/mcrypt/mcrypt.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/Clean.sh b/src/microcode/Clean.sh
index 5dd436ffe..2abca0baa 100755
--- a/src/microcode/Clean.sh
+++ b/src/microcode/Clean.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/microcode/Setup.sh b/src/microcode/Setup.sh
index 0a8665cbb..7d0a2a795 100755
--- a/src/microcode/Setup.sh
+++ b/src/microcode/Setup.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/microcode/artutl.c b/src/microcode/artutl.c
index d3d666a32..6fe65b773 100644
--- a/src/microcode/artutl.c
+++ b/src/microcode/artutl.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/avltree.c b/src/microcode/avltree.c
index 774a39f07..d88be3e7f 100644
--- a/src/microcode/avltree.c
+++ b/src/microcode/avltree.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/avltree.h b/src/microcode/avltree.h
index bec5dca12..283e74265 100644
--- a/src/microcode/avltree.h
+++ b/src/microcode/avltree.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/bignmint.h b/src/microcode/bignmint.h
index dd7312806..ffd2040f2 100644
--- a/src/microcode/bignmint.h
+++ b/src/microcode/bignmint.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/bignum.c b/src/microcode/bignum.c
index 12d348c35..cd03387b0 100644
--- a/src/microcode/bignum.c
+++ b/src/microcode/bignum.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/bignum.h b/src/microcode/bignum.h
index 9235226bd..b117f6c8f 100644
--- a/src/microcode/bignum.h
+++ b/src/microcode/bignum.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/bigprm.c b/src/microcode/bigprm.c
index a64cafd60..3bd907a79 100644
--- a/src/microcode/bigprm.c
+++ b/src/microcode/bigprm.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/bits.h b/src/microcode/bits.h
index ccd7d0be3..6ec8d3a56 100644
--- a/src/microcode/bits.h
+++ b/src/microcode/bits.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/bitstr.c b/src/microcode/bitstr.c
index e011d2e99..450bd8e4e 100644
--- a/src/microcode/bitstr.c
+++ b/src/microcode/bitstr.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/bitstr.h b/src/microcode/bitstr.h
index fdf2ff360..9e8c6e5f0 100644
--- a/src/microcode/bitstr.h
+++ b/src/microcode/bitstr.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/bkpt.c b/src/microcode/bkpt.c
index 4134dae12..7530164ff 100644
--- a/src/microcode/bkpt.c
+++ b/src/microcode/bkpt.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/bkpt.h b/src/microcode/bkpt.h
index 5327b61a2..44fc6495c 100644
--- a/src/microcode/bkpt.h
+++ b/src/microcode/bkpt.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/boot.c b/src/microcode/boot.c
index b50e04943..c7a3481e6 100644
--- a/src/microcode/boot.c
+++ b/src/microcode/boot.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/bytevector.c b/src/microcode/bytevector.c
index 6e0fb1e0f..6ef990ba9 100644
--- a/src/microcode/bytevector.c
+++ b/src/microcode/bytevector.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/char.c b/src/microcode/char.c
index 92afa71e4..f907d147e 100644
--- a/src/microcode/char.c
+++ b/src/microcode/char.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpauxmd/asmcvt.c b/src/microcode/cmpauxmd/asmcvt.c
index 95ec89705..2ecd25080 100644
--- a/src/microcode/cmpauxmd/asmcvt.c
+++ b/src/microcode/cmpauxmd/asmcvt.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpauxmd/c.c b/src/microcode/cmpauxmd/c.c
index 8f0aee18a..73a5a5a87 100644
--- a/src/microcode/cmpauxmd/c.c
+++ b/src/microcode/cmpauxmd/c.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpauxmd/i386.m4 b/src/microcode/cmpauxmd/i386.m4
index 1a98f7a72..91300aa61 100644
--- a/src/microcode/cmpauxmd/i386.m4
+++ b/src/microcode/cmpauxmd/i386.m4
@@ -3,7 +3,7 @@
 ### Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
 ###     1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
 ###     2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013,
-###     2014, 2015, 2016, 2017, 2018 Massachusetts Institute of
+###     2014, 2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
 ###     Technology
 ###
 ### This file is part of MIT/GNU Scheme.
diff --git a/src/microcode/cmpauxmd/m4-dos b/src/microcode/cmpauxmd/m4-dos
index 32f193147..ee90f3eb0 100755
--- a/src/microcode/cmpauxmd/m4-dos
+++ b/src/microcode/cmpauxmd/m4-dos
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/microcode/cmpauxmd/makefile b/src/microcode/cmpauxmd/makefile
index 7e86351fc..0ffc9840f 100644
--- a/src/microcode/cmpauxmd/makefile
+++ b/src/microcode/cmpauxmd/makefile
@@ -1,7 +1,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/microcode/cmpauxmd/x86-64.m4 b/src/microcode/cmpauxmd/x86-64.m4
index 06994d14c..7177e0b3a 100644
--- a/src/microcode/cmpauxmd/x86-64.m4
+++ b/src/microcode/cmpauxmd/x86-64.m4
@@ -3,7 +3,7 @@
 ### Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
 ###     1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
 ###     2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013,
-###     2014, 2015, 2016, 2017, 2018 Massachusetts Institute of
+###     2014, 2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
 ###     Technology
 ###
 ### This file is part of MIT/GNU Scheme.
diff --git a/src/microcode/cmpgc.h b/src/microcode/cmpgc.h
index fdcd8d94f..971ebfb38 100644
--- a/src/microcode/cmpgc.h
+++ b/src/microcode/cmpgc.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpint.c b/src/microcode/cmpint.c
index b53735f15..c2865a8f0 100644
--- a/src/microcode/cmpint.c
+++ b/src/microcode/cmpint.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpint.h b/src/microcode/cmpint.h
index 7792ee40d..c812a8833 100644
--- a/src/microcode/cmpint.h
+++ b/src/microcode/cmpint.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpintmd/c-config.h b/src/microcode/cmpintmd/c-config.h
index 9dabc12fd..84d0d5bf9 100644
--- a/src/microcode/cmpintmd/c-config.h
+++ b/src/microcode/cmpintmd/c-config.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpintmd/c.c b/src/microcode/cmpintmd/c.c
index 8ca4db29c..c798cba8a 100644
--- a/src/microcode/cmpintmd/c.c
+++ b/src/microcode/cmpintmd/c.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpintmd/c.h b/src/microcode/cmpintmd/c.h
index 7a57512c0..f5a831d5e 100644
--- a/src/microcode/cmpintmd/c.h
+++ b/src/microcode/cmpintmd/c.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpintmd/i386-config.h b/src/microcode/cmpintmd/i386-config.h
index bac116eea..9c6ebab38 100644
--- a/src/microcode/cmpintmd/i386-config.h
+++ b/src/microcode/cmpintmd/i386-config.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpintmd/i386.c b/src/microcode/cmpintmd/i386.c
index 92d3e67fb..b7722dbb8 100644
--- a/src/microcode/cmpintmd/i386.c
+++ b/src/microcode/cmpintmd/i386.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpintmd/i386.h b/src/microcode/cmpintmd/i386.h
index c09be6d6a..19db8c088 100644
--- a/src/microcode/cmpintmd/i386.h
+++ b/src/microcode/cmpintmd/i386.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpintmd/none-config.h b/src/microcode/cmpintmd/none-config.h
index 6a4a839c9..f0f2afa81 100644
--- a/src/microcode/cmpintmd/none-config.h
+++ b/src/microcode/cmpintmd/none-config.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpintmd/none.c b/src/microcode/cmpintmd/none.c
index 29a38a148..4e2ee46fc 100644
--- a/src/microcode/cmpintmd/none.c
+++ b/src/microcode/cmpintmd/none.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpintmd/none.h b/src/microcode/cmpintmd/none.h
index d9bf3132e..5948a1441 100644
--- a/src/microcode/cmpintmd/none.h
+++ b/src/microcode/cmpintmd/none.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpintmd/svm1-config.h b/src/microcode/cmpintmd/svm1-config.h
index 178b03a2c..440d62caf 100644
--- a/src/microcode/cmpintmd/svm1-config.h
+++ b/src/microcode/cmpintmd/svm1-config.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpintmd/svm1.c b/src/microcode/cmpintmd/svm1.c
index 47fb33b5d..73b32fbdd 100644
--- a/src/microcode/cmpintmd/svm1.c
+++ b/src/microcode/cmpintmd/svm1.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpintmd/svm1.h b/src/microcode/cmpintmd/svm1.h
index fd42b9976..67c1746c6 100644
--- a/src/microcode/cmpintmd/svm1.h
+++ b/src/microcode/cmpintmd/svm1.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpintmd/x86-64-config.h b/src/microcode/cmpintmd/x86-64-config.h
index 821ac3315..fb69bb6ef 100644
--- a/src/microcode/cmpintmd/x86-64-config.h
+++ b/src/microcode/cmpintmd/x86-64-config.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpintmd/x86-64.c b/src/microcode/cmpintmd/x86-64.c
index 3c2b47c58..bdefc2971 100644
--- a/src/microcode/cmpintmd/x86-64.c
+++ b/src/microcode/cmpintmd/x86-64.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpintmd/x86-64.h b/src/microcode/cmpintmd/x86-64.h
index 0097382ea..bed81db92 100644
--- a/src/microcode/cmpintmd/x86-64.h
+++ b/src/microcode/cmpintmd/x86-64.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpintmd/x86-fenv.c b/src/microcode/cmpintmd/x86-fenv.c
index 401dd4aac..9022b2c49 100644
--- a/src/microcode/cmpintmd/x86-fenv.c
+++ b/src/microcode/cmpintmd/x86-fenv.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/cmpintmd/x86-fenv.h b/src/microcode/cmpintmd/x86-fenv.h
index 201e5e4b9..c1375d949 100644
--- a/src/microcode/cmpintmd/x86-fenv.h
+++ b/src/microcode/cmpintmd/x86-fenv.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/comlin.c b/src/microcode/comlin.c
index a146687fe..cb7f58d4b 100644
--- a/src/microcode/comlin.c
+++ b/src/microcode/comlin.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/comlin.h b/src/microcode/comlin.h
index 814519752..3ce00bf4f 100644
--- a/src/microcode/comlin.h
+++ b/src/microcode/comlin.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/comutl.c b/src/microcode/comutl.c
index 5341c3ec3..9c0206f5f 100644
--- a/src/microcode/comutl.c
+++ b/src/microcode/comutl.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/configure.ac b/src/microcode/configure.ac
index 3b957511f..0f7ba3943 100644
--- a/src/microcode/configure.ac
+++ b/src/microcode/configure.ac
@@ -9,7 +9,7 @@ AC_COPYRIGHT(
 [Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
@@ -34,7 +34,7 @@ AH_TOP([/*
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/confshared.h b/src/microcode/confshared.h
index 8741ebaa3..945b0ae9a 100644
--- a/src/microcode/confshared.h
+++ b/src/microcode/confshared.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/const.h b/src/microcode/const.h
index 891135bc6..2d41610d6 100644
--- a/src/microcode/const.h
+++ b/src/microcode/const.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/copyrigh.c b/src/microcode/copyrigh.c
index f2fd2ea42..343c5b967 100644
--- a/src/microcode/copyrigh.c
+++ b/src/microcode/copyrigh.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/critsec.h b/src/microcode/critsec.h
index 575616ca8..6b45efdae 100644
--- a/src/microcode/critsec.h
+++ b/src/microcode/critsec.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/daemon.c b/src/microcode/daemon.c
index 3ff635235..6f25c8c82 100644
--- a/src/microcode/daemon.c
+++ b/src/microcode/daemon.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/debug.c b/src/microcode/debug.c
index c78c7d8b2..1d05738c8 100644
--- a/src/microcode/debug.c
+++ b/src/microcode/debug.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/dfloat.c b/src/microcode/dfloat.c
index 6780147fe..125b8d27b 100644
--- a/src/microcode/dfloat.c
+++ b/src/microcode/dfloat.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/dstack.h b/src/microcode/dstack.h
index d4c943bfb..8f934bf7f 100644
--- a/src/microcode/dstack.h
+++ b/src/microcode/dstack.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/edwin.h b/src/microcode/edwin.h
index d65a0ed9c..4be046796 100644
--- a/src/microcode/edwin.h
+++ b/src/microcode/edwin.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/error.c b/src/microcode/error.c
index fe255dc93..f93228034 100644
--- a/src/microcode/error.c
+++ b/src/microcode/error.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/errors.h b/src/microcode/errors.h
index 18fcf2c92..2e4da245d 100644
--- a/src/microcode/errors.h
+++ b/src/microcode/errors.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/extern.c b/src/microcode/extern.c
index bb9b88544..ba95ef29d 100644
--- a/src/microcode/extern.c
+++ b/src/microcode/extern.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/extern.h b/src/microcode/extern.h
index ec8320dce..a90137a06 100644
--- a/src/microcode/extern.h
+++ b/src/microcode/extern.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/extract-liarc-decls.c b/src/microcode/extract-liarc-decls.c
index 367d43045..dd2348c84 100644
--- a/src/microcode/extract-liarc-decls.c
+++ b/src/microcode/extract-liarc-decls.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/fasdump.c b/src/microcode/fasdump.c
index bca5fe08d..fbd77fcde 100644
--- a/src/microcode/fasdump.c
+++ b/src/microcode/fasdump.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/fasl.c b/src/microcode/fasl.c
index c2c777fe0..88a8a1c9a 100644
--- a/src/microcode/fasl.c
+++ b/src/microcode/fasl.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/fasl.h b/src/microcode/fasl.h
index 024c91f48..3580d927e 100644
--- a/src/microcode/fasl.h
+++ b/src/microcode/fasl.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/fasload.c b/src/microcode/fasload.c
index d655e82d5..632b1ff28 100644
--- a/src/microcode/fasload.c
+++ b/src/microcode/fasload.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/findprim.c b/src/microcode/findprim.c
index f526d261c..7e1b0d767 100644
--- a/src/microcode/findprim.c
+++ b/src/microcode/findprim.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/fixnum.c b/src/microcode/fixnum.c
index 848bb7eef..bf8256217 100644
--- a/src/microcode/fixnum.c
+++ b/src/microcode/fixnum.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/fixnum.h b/src/microcode/fixnum.h
index 441ef4feb..636b3666a 100644
--- a/src/microcode/fixnum.h
+++ b/src/microcode/fixnum.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/fixobj.h b/src/microcode/fixobj.h
index 34f3582c6..00096cbbd 100644
--- a/src/microcode/fixobj.h
+++ b/src/microcode/fixobj.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/floenv.c b/src/microcode/floenv.c
index 4a8543314..97f00609d 100644
--- a/src/microcode/floenv.c
+++ b/src/microcode/floenv.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/floenv.h b/src/microcode/floenv.h
index 4d0ad90eb..ffe2aa5dd 100644
--- a/src/microcode/floenv.h
+++ b/src/microcode/floenv.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/flonum.c b/src/microcode/flonum.c
index 4d323cf15..d6b384897 100644
--- a/src/microcode/flonum.c
+++ b/src/microcode/flonum.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/gc.h b/src/microcode/gc.h
index e0ece8cbb..b75ff7140 100644
--- a/src/microcode/gc.h
+++ b/src/microcode/gc.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/gccode.h b/src/microcode/gccode.h
index c9af30be9..0bc4857b0 100644
--- a/src/microcode/gccode.h
+++ b/src/microcode/gccode.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/gcloop.c b/src/microcode/gcloop.c
index 203946bed..ff57ccbfd 100644
--- a/src/microcode/gcloop.c
+++ b/src/microcode/gcloop.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/gen-nonce.c b/src/microcode/gen-nonce.c
index f233b26d2..627f2f14c 100644
--- a/src/microcode/gen-nonce.c
+++ b/src/microcode/gen-nonce.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/generic.c b/src/microcode/generic.c
index 765fdd9a7..d4188b582 100644
--- a/src/microcode/generic.c
+++ b/src/microcode/generic.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/history.h b/src/microcode/history.h
index 9ded39cc4..e32b456b5 100644
--- a/src/microcode/history.h
+++ b/src/microcode/history.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/hooks.c b/src/microcode/hooks.c
index 561e53608..0aa5bb01f 100644
--- a/src/microcode/hooks.c
+++ b/src/microcode/hooks.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/hunk.c b/src/microcode/hunk.c
index a22dd5415..1b1172d08 100644
--- a/src/microcode/hunk.c
+++ b/src/microcode/hunk.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/intern.c b/src/microcode/intern.c
index 6fd9601ee..a5cea0e1a 100644
--- a/src/microcode/intern.c
+++ b/src/microcode/intern.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/interp.c b/src/microcode/interp.c
index 53fc6e211..29b3d3668 100644
--- a/src/microcode/interp.c
+++ b/src/microcode/interp.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/interp.h b/src/microcode/interp.h
index adc7196e5..8f54132f6 100644
--- a/src/microcode/interp.h
+++ b/src/microcode/interp.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/intext.c b/src/microcode/intext.c
index 25305153a..eca229dd4 100644
--- a/src/microcode/intext.c
+++ b/src/microcode/intext.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/intext.h b/src/microcode/intext.h
index f4c0c4238..da73edd66 100644
--- a/src/microcode/intext.h
+++ b/src/microcode/intext.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/intprm.c b/src/microcode/intprm.c
index 3f9855757..d8e3263a6 100644
--- a/src/microcode/intprm.c
+++ b/src/microcode/intprm.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/intrpt.h b/src/microcode/intrpt.h
index 09a8c47e8..0d99956b2 100644
--- a/src/microcode/intrpt.h
+++ b/src/microcode/intrpt.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/liarc-cc.in b/src/microcode/liarc-cc.in
index 931d0b8fb..f23342dc9 100755
--- a/src/microcode/liarc-cc.in
+++ b/src/microcode/liarc-cc.in
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/microcode/liarc-ld.in b/src/microcode/liarc-ld.in
index 62204c9cd..1a3edc9e5 100644
--- a/src/microcode/liarc-ld.in
+++ b/src/microcode/liarc-ld.in
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/microcode/liarc.h b/src/microcode/liarc.h
index 4f47ed2a6..d3a533144 100644
--- a/src/microcode/liarc.h
+++ b/src/microcode/liarc.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/list.c b/src/microcode/list.c
index 6bcb0cc51..1b950cef3 100644
--- a/src/microcode/list.c
+++ b/src/microcode/list.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/lookprm.c b/src/microcode/lookprm.c
index 54a4ef3c2..d577e9559 100644
--- a/src/microcode/lookprm.c
+++ b/src/microcode/lookprm.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/lookup.c b/src/microcode/lookup.c
index 3fcaf9bd4..2b44a5c43 100644
--- a/src/microcode/lookup.c
+++ b/src/microcode/lookup.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/lookup.h b/src/microcode/lookup.h
index cd862b893..03fc798ef 100644
--- a/src/microcode/lookup.h
+++ b/src/microcode/lookup.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/macosx-starter.c b/src/microcode/macosx-starter.c
index 0ecd59f9c..de4a2c823 100644
--- a/src/microcode/macosx-starter.c
+++ b/src/microcode/macosx-starter.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/makegen/Makefile.in.in b/src/microcode/makegen/Makefile.in.in
index 671e8ff1c..3124b5fc7 100644
--- a/src/microcode/makegen/Makefile.in.in
+++ b/src/microcode/makegen/Makefile.in.in
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/microcode/makegen/bundles-liarc.scm b/src/microcode/makegen/bundles-liarc.scm
index 4431d12a4..22d07fdf9 100644
--- a/src/microcode/makegen/bundles-liarc.scm
+++ b/src/microcode/makegen/bundles-liarc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/makegen/dirs-liarc.scm b/src/microcode/makegen/dirs-liarc.scm
index 9d06b7e77..c694763ed 100644
--- a/src/microcode/makegen/dirs-liarc.scm
+++ b/src/microcode/makegen/dirs-liarc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/makegen/files-core.scm b/src/microcode/makegen/files-core.scm
index d359de20d..192d87591 100644
--- a/src/microcode/makegen/files-core.scm
+++ b/src/microcode/makegen/files-core.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/makegen/files-optional.scm b/src/microcode/makegen/files-optional.scm
index d09d62319..32c55aaad 100644
--- a/src/microcode/makegen/files-optional.scm
+++ b/src/microcode/makegen/files-optional.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/makegen/files-os-prim.scm b/src/microcode/makegen/files-os-prim.scm
index fb5f2f22a..aa9bf4d15 100644
--- a/src/microcode/makegen/files-os-prim.scm
+++ b/src/microcode/makegen/files-os-prim.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/makegen/files-other.scm b/src/microcode/makegen/files-other.scm
index bb2a93a89..a327da8e7 100644
--- a/src/microcode/makegen/files-other.scm
+++ b/src/microcode/makegen/files-other.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/makegen/files-unix.scm b/src/microcode/makegen/files-unix.scm
index 913f62d35..4212a051d 100644
--- a/src/microcode/makegen/files-unix.scm
+++ b/src/microcode/makegen/files-unix.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/makegen/liarc-base-rules b/src/microcode/makegen/liarc-base-rules
index 2046904d8..ba7d167c2 100644
--- a/src/microcode/makegen/liarc-base-rules
+++ b/src/microcode/makegen/liarc-base-rules
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/microcode/makegen/m4.sh b/src/microcode/makegen/m4.sh
index e9aa26204..c5a4e2bc2 100755
--- a/src/microcode/makegen/m4.sh
+++ b/src/microcode/makegen/m4.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/microcode/makegen/makegen.scm b/src/microcode/makegen/makegen.scm
index de0621288..d03221fbe 100644
--- a/src/microcode/makegen/makegen.scm
+++ b/src/microcode/makegen/makegen.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/makegen/makeinit.sh b/src/microcode/makegen/makeinit.sh
index db549bce2..53cf4ea16 100755
--- a/src/microcode/makegen/makeinit.sh
+++ b/src/microcode/makegen/makeinit.sh
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/microcode/makegen/pkds-liarc.scm b/src/microcode/makegen/pkds-liarc.scm
index c0c96d047..426ca6903 100644
--- a/src/microcode/makegen/pkds-liarc.scm
+++ b/src/microcode/makegen/pkds-liarc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/memmag.c b/src/microcode/memmag.c
index 72ece5d9b..d5da8e434 100644
--- a/src/microcode/memmag.c
+++ b/src/microcode/memmag.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/memmag.h b/src/microcode/memmag.h
index 1d7e71356..36d64bc39 100644
--- a/src/microcode/memmag.h
+++ b/src/microcode/memmag.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/missing.c b/src/microcode/missing.c
index bac840343..5b89b608c 100644
--- a/src/microcode/missing.c
+++ b/src/microcode/missing.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/mul.c b/src/microcode/mul.c
index 11eff554f..82761a58c 100644
--- a/src/microcode/mul.c
+++ b/src/microcode/mul.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/nt.h b/src/microcode/nt.h
index 7b723a83f..216146e1a 100644
--- a/src/microcode/nt.h
+++ b/src/microcode/nt.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntapi.h b/src/microcode/ntapi.h
index 4aa2ae230..68cf1c2f7 100644
--- a/src/microcode/ntapi.h
+++ b/src/microcode/ntapi.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntasutl.asm b/src/microcode/ntasutl.asm
index b3ddfedb0..efcdd6e6c 100644
--- a/src/microcode/ntasutl.asm
+++ b/src/microcode/ntasutl.asm
@@ -3,7 +3,7 @@
 ;;; Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
 ;;;     1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
 ;;;     2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013,
-;;;     2014, 2015, 2016, 2017, 2018 Massachusetts Institute of
+;;;     2014, 2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
 ;;;     Technology
 ;;;
 ;;; This file is part of MIT/GNU Scheme.
diff --git a/src/microcode/ntenv.c b/src/microcode/ntenv.c
index 6196b7f61..4d6bd2fc7 100644
--- a/src/microcode/ntenv.c
+++ b/src/microcode/ntenv.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntfile.c b/src/microcode/ntfile.c
index 63bd0471e..0012747ad 100644
--- a/src/microcode/ntfile.c
+++ b/src/microcode/ntfile.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntfs.c b/src/microcode/ntfs.c
index ee791557a..60f0b0756 100644
--- a/src/microcode/ntfs.c
+++ b/src/microcode/ntfs.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntfs.h b/src/microcode/ntfs.h
index 7e947aacf..49b53436e 100644
--- a/src/microcode/ntfs.h
+++ b/src/microcode/ntfs.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntgui.c b/src/microcode/ntgui.c
index e49d58e75..5dd1a53ad 100644
--- a/src/microcode/ntgui.c
+++ b/src/microcode/ntgui.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntgui.h b/src/microcode/ntgui.h
index 43020c3d8..6df99589c 100644
--- a/src/microcode/ntgui.h
+++ b/src/microcode/ntgui.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntio.c b/src/microcode/ntio.c
index 74b95763a..9c2e56696 100644
--- a/src/microcode/ntio.c
+++ b/src/microcode/ntio.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntio.h b/src/microcode/ntio.h
index b6cf6f14b..f9afac3cf 100644
--- a/src/microcode/ntio.h
+++ b/src/microcode/ntio.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntproc.c b/src/microcode/ntproc.c
index bc0434b24..ffbdcd20b 100644
--- a/src/microcode/ntproc.c
+++ b/src/microcode/ntproc.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntproc.h b/src/microcode/ntproc.h
index f8b82f400..57a4cf8b3 100644
--- a/src/microcode/ntproc.h
+++ b/src/microcode/ntproc.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntscmlib.h b/src/microcode/ntscmlib.h
index c3ed881fd..78e9d45fc 100644
--- a/src/microcode/ntscmlib.h
+++ b/src/microcode/ntscmlib.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntscreen.c b/src/microcode/ntscreen.c
index dd368a454..7d165d4c0 100644
--- a/src/microcode/ntscreen.c
+++ b/src/microcode/ntscreen.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntscreen.h b/src/microcode/ntscreen.h
index 2c95a9742..8bcc01c0a 100644
--- a/src/microcode/ntscreen.h
+++ b/src/microcode/ntscreen.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntsig.c b/src/microcode/ntsig.c
index 41c00a779..062d9133a 100644
--- a/src/microcode/ntsig.c
+++ b/src/microcode/ntsig.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntsock.c b/src/microcode/ntsock.c
index 21f77ba3d..4cbad5e9d 100644
--- a/src/microcode/ntsock.c
+++ b/src/microcode/ntsock.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntsys.c b/src/microcode/ntsys.c
index 7b0693d86..4f502b6e8 100644
--- a/src/microcode/ntsys.c
+++ b/src/microcode/ntsys.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntsys.h b/src/microcode/ntsys.h
index 2be1cd63c..5fa900bf0 100644
--- a/src/microcode/ntsys.h
+++ b/src/microcode/ntsys.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntterm.h b/src/microcode/ntterm.h
index ebd09f31e..da15f76e1 100644
--- a/src/microcode/ntterm.h
+++ b/src/microcode/ntterm.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/nttop.c b/src/microcode/nttop.c
index f47b6602d..5948aafb6 100644
--- a/src/microcode/nttop.c
+++ b/src/microcode/nttop.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/nttop.h b/src/microcode/nttop.h
index f4559675a..389a53636 100644
--- a/src/microcode/nttop.h
+++ b/src/microcode/nttop.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/nttrap.c b/src/microcode/nttrap.c
index 8acecda86..08ac09a6b 100644
--- a/src/microcode/nttrap.c
+++ b/src/microcode/nttrap.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/nttrap.h b/src/microcode/nttrap.h
index 362e0be72..785db8f8e 100644
--- a/src/microcode/nttrap.h
+++ b/src/microcode/nttrap.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/nttterm.c b/src/microcode/nttterm.c
index 7d6dd0529..ece523c1a 100644
--- a/src/microcode/nttterm.c
+++ b/src/microcode/nttterm.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/nttty.c b/src/microcode/nttty.c
index 37622bdeb..e9633188d 100644
--- a/src/microcode/nttty.c
+++ b/src/microcode/nttty.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntutl/config.bat b/src/microcode/ntutl/config.bat
index a30656a31..d16f55054 100644
--- a/src/microcode/ntutl/config.bat
+++ b/src/microcode/ntutl/config.bat
@@ -2,7 +2,7 @@
 rem Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
 rem     1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
 rem     2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013,
-rem     2014, 2015, 2016, 2017, 2018 Massachusetts Institute of
+rem     2014, 2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
 rem     Technology
 rem
 rem This file is part of MIT/GNU Scheme.
diff --git a/src/microcode/ntutl/config.h b/src/microcode/ntutl/config.h
index 59bc4b714..4b18b4bce 100644
--- a/src/microcode/ntutl/config.h
+++ b/src/microcode/ntutl/config.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntutl/makefile b/src/microcode/ntutl/makefile
index a60055053..4eddd2c00 100644
--- a/src/microcode/ntutl/makefile
+++ b/src/microcode/ntutl/makefile
@@ -3,8 +3,8 @@
 ###     Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
 ###         1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
 ###         2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011,
-###         2012, 2013, 2014, 2015, 2016, 2017, 2018 Massachusetts
-###         Institute of Technology
+###         2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
+###         Massachusetts Institute of Technology
 ###
 ###     This file is part of MIT/GNU Scheme.
 ###
diff --git a/src/microcode/ntutl/makefile.wcc b/src/microcode/ntutl/makefile.wcc
index 9919a9292..a77c36f40 100644
--- a/src/microcode/ntutl/makefile.wcc
+++ b/src/microcode/ntutl/makefile.wcc
@@ -3,8 +3,8 @@
 ###     Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
 ###         1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
 ###         2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011,
-###         2012, 2013, 2014, 2015, 2016, 2017, 2018 Massachusetts
-###         Institute of Technology
+###         2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
+###         Massachusetts Institute of Technology
 ###
 ###     This file is part of MIT/GNU Scheme.
 ###
diff --git a/src/microcode/ntutl/scheme16.c b/src/microcode/ntutl/scheme16.c
index 40de16788..902873199 100644
--- a/src/microcode/ntutl/scheme16.c
+++ b/src/microcode/ntutl/scheme16.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntutl/scheme16.mak b/src/microcode/ntutl/scheme16.mak
index 6412f7103..e0c308888 100644
--- a/src/microcode/ntutl/scheme16.mak
+++ b/src/microcode/ntutl/scheme16.mak
@@ -3,7 +3,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of MIT/GNU Scheme.
 #
diff --git a/src/microcode/ntutl/scheme31.c b/src/microcode/ntutl/scheme31.c
index 004a703ed..d26b0006c 100644
--- a/src/microcode/ntutl/scheme31.c
+++ b/src/microcode/ntutl/scheme31.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntutl/scheme32.c b/src/microcode/ntutl/scheme32.c
index f5b8e10d5..73e41f127 100644
--- a/src/microcode/ntutl/scheme32.c
+++ b/src/microcode/ntutl/scheme32.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ntutl/scm-p-nt.lst b/src/microcode/ntutl/scm-p-nt.lst
index e533b0aba..123e60279 100644
--- a/src/microcode/ntutl/scm-p-nt.lst
+++ b/src/microcode/ntutl/scm-p-nt.lst
@@ -3,7 +3,7 @@
 ;;; Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
 ;;;     1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
 ;;;     2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013,
-;;;     2014, 2015, 2016, 2017, 2018 Massachusetts Institute of
+;;;     2014, 2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
 ;;;     Technology
 ;;;
 ;;; This file is part of MIT/GNU Scheme.
diff --git a/src/microcode/ntutl/setenv.bat b/src/microcode/ntutl/setenv.bat
index b8d2bf6ff..74f41121b 100644
--- a/src/microcode/ntutl/setenv.bat
+++ b/src/microcode/ntutl/setenv.bat
@@ -2,7 +2,7 @@
 rem Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
 rem     1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
 rem     2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013,
-rem     2014, 2015, 2016, 2017, 2018 Massachusetts Institute of
+rem     2014, 2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
 rem     Technology
 rem
 rem This file is part of MIT/GNU Scheme.
diff --git a/src/microcode/ntutl/wconfig.bat b/src/microcode/ntutl/wconfig.bat
index dbcf3e27e..c8d7132de 100644
--- a/src/microcode/ntutl/wconfig.bat
+++ b/src/microcode/ntutl/wconfig.bat
@@ -2,7 +2,7 @@
 rem Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
 rem     1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
 rem     2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013,
-rem     2014, 2015, 2016, 2017, 2018 Massachusetts Institute of
+rem     2014, 2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
 rem     Technology
 rem
 rem This file is part of MIT/GNU Scheme.
diff --git a/src/microcode/object.h b/src/microcode/object.h
index 455c5e5a1..28799ef94 100644
--- a/src/microcode/object.h
+++ b/src/microcode/object.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/obstack.c b/src/microcode/obstack.c
index 31a02b0af..411e69c13 100644
--- a/src/microcode/obstack.c
+++ b/src/microcode/obstack.c
@@ -4,7 +4,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This program is free software; you can redistribute it and/or modify it
 under the terms of the GNU General Public License as published by the
diff --git a/src/microcode/obstack.h b/src/microcode/obstack.h
index 69e20aa64..811467099 100644
--- a/src/microcode/obstack.h
+++ b/src/microcode/obstack.h
@@ -4,7 +4,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This program is free software; you can redistribute it and/or modify it
 under the terms of the GNU General Public License as published by the
diff --git a/src/microcode/option.c b/src/microcode/option.c
index 576edf33a..25d013b5c 100644
--- a/src/microcode/option.c
+++ b/src/microcode/option.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/option.h b/src/microcode/option.h
index 61e65b5bc..9e8ff6744 100644
--- a/src/microcode/option.h
+++ b/src/microcode/option.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/os.h b/src/microcode/os.h
index 021b321d3..5fd41c132 100644
--- a/src/microcode/os.h
+++ b/src/microcode/os.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/osctty.h b/src/microcode/osctty.h
index 3c0e8c39d..a51f7cf8d 100644
--- a/src/microcode/osctty.h
+++ b/src/microcode/osctty.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/osenv.h b/src/microcode/osenv.h
index 610130709..07bb56621 100644
--- a/src/microcode/osenv.h
+++ b/src/microcode/osenv.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/osfile.h b/src/microcode/osfile.h
index cc4ed1268..cd2b61932 100644
--- a/src/microcode/osfile.h
+++ b/src/microcode/osfile.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/osfs.h b/src/microcode/osfs.h
index 9f39c3b5e..3b030983c 100644
--- a/src/microcode/osfs.h
+++ b/src/microcode/osfs.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/osio.h b/src/microcode/osio.h
index 41b7e1fe2..c3ad4f887 100644
--- a/src/microcode/osio.h
+++ b/src/microcode/osio.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/osproc.h b/src/microcode/osproc.h
index 4f1c68b85..bc76a6e46 100644
--- a/src/microcode/osproc.h
+++ b/src/microcode/osproc.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ospty.h b/src/microcode/ospty.h
index f23d966ff..0da530fbf 100644
--- a/src/microcode/ospty.h
+++ b/src/microcode/ospty.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/osscheme.c b/src/microcode/osscheme.c
index 5fa71d8fc..8cd722ebb 100644
--- a/src/microcode/osscheme.c
+++ b/src/microcode/osscheme.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/osscheme.h b/src/microcode/osscheme.h
index 891adb165..74e4360c3 100644
--- a/src/microcode/osscheme.h
+++ b/src/microcode/osscheme.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ossig.h b/src/microcode/ossig.h
index 8111364b3..3e7c101fc 100644
--- a/src/microcode/ossig.h
+++ b/src/microcode/ossig.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/osterm.h b/src/microcode/osterm.h
index 9ccb594ee..b2cfa3477 100644
--- a/src/microcode/osterm.h
+++ b/src/microcode/osterm.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ostop.h b/src/microcode/ostop.h
index dceba9b12..026c8c6fb 100644
--- a/src/microcode/ostop.h
+++ b/src/microcode/ostop.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ostty.c b/src/microcode/ostty.c
index b47de69a4..1aa386789 100644
--- a/src/microcode/ostty.c
+++ b/src/microcode/ostty.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ostty.h b/src/microcode/ostty.h
index 9bcd04415..0236dd0f5 100644
--- a/src/microcode/ostty.h
+++ b/src/microcode/ostty.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/outf.c b/src/microcode/outf.c
index 99bbad004..bd8b5caf2 100644
--- a/src/microcode/outf.c
+++ b/src/microcode/outf.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/outf.h b/src/microcode/outf.h
index 8f9aeb45a..0644e2c75 100644
--- a/src/microcode/outf.h
+++ b/src/microcode/outf.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/prchacha.c b/src/microcode/prchacha.c
index 6149e9f55..2f9bd9fa6 100644
--- a/src/microcode/prchacha.c
+++ b/src/microcode/prchacha.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/prename.h b/src/microcode/prename.h
index bd1330836..329f82e94 100644
--- a/src/microcode/prename.h
+++ b/src/microcode/prename.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/prim.c b/src/microcode/prim.c
index e8b908cd9..8ca2f53d0 100644
--- a/src/microcode/prim.c
+++ b/src/microcode/prim.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/prim.h b/src/microcode/prim.h
index e28739807..2a9bf6ff7 100644
--- a/src/microcode/prim.h
+++ b/src/microcode/prim.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/prims.h b/src/microcode/prims.h
index 9cab45063..b1bee34c5 100644
--- a/src/microcode/prims.h
+++ b/src/microcode/prims.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/primutl.c b/src/microcode/primutl.c
index 29555f48f..983df1a86 100644
--- a/src/microcode/primutl.c
+++ b/src/microcode/primutl.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/prkeccak.c b/src/microcode/prkeccak.c
index 9deb195f3..fdbfd71bd 100644
--- a/src/microcode/prkeccak.c
+++ b/src/microcode/prkeccak.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/prmd5.c b/src/microcode/prmd5.c
index 8965fd788..7ab5c3b69 100644
--- a/src/microcode/prmd5.c
+++ b/src/microcode/prmd5.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/prntenv.c b/src/microcode/prntenv.c
index f72323583..6c82fcf0c 100644
--- a/src/microcode/prntenv.c
+++ b/src/microcode/prntenv.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/prntfs.c b/src/microcode/prntfs.c
index 350b94442..1a87b502e 100644
--- a/src/microcode/prntfs.c
+++ b/src/microcode/prntfs.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/prntio.c b/src/microcode/prntio.c
index d3f12907e..4c4029120 100644
--- a/src/microcode/prntio.c
+++ b/src/microcode/prntio.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/prosenv.c b/src/microcode/prosenv.c
index 52cf4bb82..34be67964 100644
--- a/src/microcode/prosenv.c
+++ b/src/microcode/prosenv.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/prosfile.c b/src/microcode/prosfile.c
index 5c1dd28c3..4a170203f 100644
--- a/src/microcode/prosfile.c
+++ b/src/microcode/prosfile.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/prosfs.c b/src/microcode/prosfs.c
index b67ba3694..b325a56d3 100644
--- a/src/microcode/prosfs.c
+++ b/src/microcode/prosfs.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/prosio.c b/src/microcode/prosio.c
index befadc86d..50693b245 100644
--- a/src/microcode/prosio.c
+++ b/src/microcode/prosio.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/prosproc.c b/src/microcode/prosproc.c
index a28520509..31e0b882a 100644
--- a/src/microcode/prosproc.c
+++ b/src/microcode/prosproc.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/prospty.c b/src/microcode/prospty.c
index 2e7d79631..8c301be77 100644
--- a/src/microcode/prospty.c
+++ b/src/microcode/prospty.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/prosterm.c b/src/microcode/prosterm.c
index 6dcca9239..85528183e 100644
--- a/src/microcode/prosterm.c
+++ b/src/microcode/prosterm.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/prostty.c b/src/microcode/prostty.c
index a30ee6357..19f79ce7e 100644
--- a/src/microcode/prostty.c
+++ b/src/microcode/prostty.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/pruxdld.c b/src/microcode/pruxdld.c
index 1da7b8b11..a50e1a4f1 100644
--- a/src/microcode/pruxdld.c
+++ b/src/microcode/pruxdld.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/pruxenv.c b/src/microcode/pruxenv.c
index 701b48591..d81f78be4 100644
--- a/src/microcode/pruxenv.c
+++ b/src/microcode/pruxenv.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/pruxffi.c b/src/microcode/pruxffi.c
index f845b7ec7..96c37cd9c 100644
--- a/src/microcode/pruxffi.c
+++ b/src/microcode/pruxffi.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/pruxffi.h b/src/microcode/pruxffi.h
index 62b52dd58..6f2b7dad6 100644
--- a/src/microcode/pruxffi.h
+++ b/src/microcode/pruxffi.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/pruxfs.c b/src/microcode/pruxfs.c
index 8ffcb0a7c..e9d56f889 100644
--- a/src/microcode/pruxfs.c
+++ b/src/microcode/pruxfs.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/pruxio.c b/src/microcode/pruxio.c
index 8ecfbb4f4..7508ac61b 100644
--- a/src/microcode/pruxio.c
+++ b/src/microcode/pruxio.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/pruxsock.c b/src/microcode/pruxsock.c
index dcb3a2994..d148408ce 100644
--- a/src/microcode/pruxsock.c
+++ b/src/microcode/pruxsock.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ptrvec.c b/src/microcode/ptrvec.c
index a5026d5fd..e65f60339 100644
--- a/src/microcode/ptrvec.c
+++ b/src/microcode/ptrvec.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/purify.c b/src/microcode/purify.c
index f6d3bb06a..93edbf4a7 100644
--- a/src/microcode/purify.c
+++ b/src/microcode/purify.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/purutl.c b/src/microcode/purutl.c
index b70a11b8b..8bc654693 100644
--- a/src/microcode/purutl.c
+++ b/src/microcode/purutl.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/regex.c b/src/microcode/regex.c
index bff4df7f5..a538da0e6 100644
--- a/src/microcode/regex.c
+++ b/src/microcode/regex.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/regex.h b/src/microcode/regex.h
index 17aad1a9e..749953cfb 100644
--- a/src/microcode/regex.h
+++ b/src/microcode/regex.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/returns.h b/src/microcode/returns.h
index 155df46ab..48b31597a 100644
--- a/src/microcode/returns.h
+++ b/src/microcode/returns.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/rgxprim.c b/src/microcode/rgxprim.c
index 699f8f9e5..cd78e2db1 100644
--- a/src/microcode/rgxprim.c
+++ b/src/microcode/rgxprim.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/sample.c b/src/microcode/sample.c
index 465910d0c..43c95e3ed 100644
--- a/src/microcode/sample.c
+++ b/src/microcode/sample.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/scheme.h b/src/microcode/scheme.h
index f4801b32d..9b9e14a2d 100644
--- a/src/microcode/scheme.h
+++ b/src/microcode/scheme.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/scode.h b/src/microcode/scode.h
index 94b2780a9..bbaafbb59 100644
--- a/src/microcode/scode.h
+++ b/src/microcode/scode.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/sdata.h b/src/microcode/sdata.h
index 8ed9eaa00..498442869 100644
--- a/src/microcode/sdata.h
+++ b/src/microcode/sdata.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/stack.h b/src/microcode/stack.h
index b1ef1385b..eefa60308 100644
--- a/src/microcode/stack.h
+++ b/src/microcode/stack.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/stackops.h b/src/microcode/stackops.h
index 0b4bd90c1..6c24cf124 100644
--- a/src/microcode/stackops.h
+++ b/src/microcode/stackops.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/step.c b/src/microcode/step.c
index 90b9f8e5a..5e403d20c 100644
--- a/src/microcode/step.c
+++ b/src/microcode/step.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/storage.c b/src/microcode/storage.c
index 857b80f0d..78efef5db 100644
--- a/src/microcode/storage.c
+++ b/src/microcode/storage.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/string.c b/src/microcode/string.c
index 575fef395..864648d1b 100644
--- a/src/microcode/string.c
+++ b/src/microcode/string.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/svm1-interp.c b/src/microcode/svm1-interp.c
index 9ee92f5ea..3fb1d4344 100644
--- a/src/microcode/svm1-interp.c
+++ b/src/microcode/svm1-interp.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/syntax.c b/src/microcode/syntax.c
index 08c848fd3..22262bb51 100644
--- a/src/microcode/syntax.c
+++ b/src/microcode/syntax.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/syntax.h b/src/microcode/syntax.h
index 2bb9a3e27..55f62447b 100644
--- a/src/microcode/syntax.h
+++ b/src/microcode/syntax.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/syscall.h b/src/microcode/syscall.h
index 389ec6136..8dd729e60 100644
--- a/src/microcode/syscall.h
+++ b/src/microcode/syscall.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/sysprim.c b/src/microcode/sysprim.c
index 86db1e8d8..9bc2b2083 100644
--- a/src/microcode/sysprim.c
+++ b/src/microcode/sysprim.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/term.c b/src/microcode/term.c
index c5bd2bcdd..bbdd5da0d 100644
--- a/src/microcode/term.c
+++ b/src/microcode/term.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/termcap.c b/src/microcode/termcap.c
index 897b1ea55..43f351a7d 100644
--- a/src/microcode/termcap.c
+++ b/src/microcode/termcap.c
@@ -4,7 +4,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 		       NO WARRANTY
 
diff --git a/src/microcode/terminfo.c b/src/microcode/terminfo.c
index 400bf9b0a..7dfef88bd 100644
--- a/src/microcode/terminfo.c
+++ b/src/microcode/terminfo.c
@@ -4,7 +4,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of GNU Emacs.
 
diff --git a/src/microcode/tparam.c b/src/microcode/tparam.c
index a6cbb376a..4cd6444d1 100644
--- a/src/microcode/tparam.c
+++ b/src/microcode/tparam.c
@@ -4,7 +4,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 		       NO WARRANTY
 
diff --git a/src/microcode/transact.c b/src/microcode/transact.c
index b2f9d5ade..75da3437a 100644
--- a/src/microcode/transact.c
+++ b/src/microcode/transact.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/trap.h b/src/microcode/trap.h
index 860675ad7..8fc1dd797 100644
--- a/src/microcode/trap.h
+++ b/src/microcode/trap.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/tterm.c b/src/microcode/tterm.c
index e8c9cfaa2..913f71627 100644
--- a/src/microcode/tterm.c
+++ b/src/microcode/tterm.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/types.h b/src/microcode/types.h
index 78deda169..fc9aa4686 100644
--- a/src/microcode/types.h
+++ b/src/microcode/types.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/unstackify.c b/src/microcode/unstackify.c
index 714e37e7c..d4266e7c0 100644
--- a/src/microcode/unstackify.c
+++ b/src/microcode/unstackify.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/usrdef.h b/src/microcode/usrdef.h
index 4f4473b0f..94465eff5 100644
--- a/src/microcode/usrdef.h
+++ b/src/microcode/usrdef.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/utabmd.c b/src/microcode/utabmd.c
index a587ca64d..a987a5830 100644
--- a/src/microcode/utabmd.c
+++ b/src/microcode/utabmd.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/utils.c b/src/microcode/utils.c
index b3ea328a4..a4dda6c9f 100644
--- a/src/microcode/utils.c
+++ b/src/microcode/utils.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ux.c b/src/microcode/ux.c
index 46f58b421..3222d5a5e 100644
--- a/src/microcode/ux.c
+++ b/src/microcode/ux.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/ux.h b/src/microcode/ux.h
index 3fb8c4bf2..34093f065 100644
--- a/src/microcode/ux.h
+++ b/src/microcode/ux.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/uxctty.c b/src/microcode/uxctty.c
index c79dbfbc7..55f861c11 100644
--- a/src/microcode/uxctty.c
+++ b/src/microcode/uxctty.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/uxenv.c b/src/microcode/uxenv.c
index 5cacf8017..dcfbbeeb5 100644
--- a/src/microcode/uxenv.c
+++ b/src/microcode/uxenv.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/uxfile.c b/src/microcode/uxfile.c
index fae53bdd2..4c70a657e 100644
--- a/src/microcode/uxfile.c
+++ b/src/microcode/uxfile.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/uxfs.c b/src/microcode/uxfs.c
index 898a00ff8..dc51ecb21 100644
--- a/src/microcode/uxfs.c
+++ b/src/microcode/uxfs.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/uxio.c b/src/microcode/uxio.c
index 72a3a02f7..f985d2114 100644
--- a/src/microcode/uxio.c
+++ b/src/microcode/uxio.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/uxio.h b/src/microcode/uxio.h
index a664916f6..71882fd33 100644
--- a/src/microcode/uxio.h
+++ b/src/microcode/uxio.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/uxproc.c b/src/microcode/uxproc.c
index a5b800d8e..9d19dc2d8 100644
--- a/src/microcode/uxproc.c
+++ b/src/microcode/uxproc.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/uxproc.h b/src/microcode/uxproc.h
index 207ff9d4a..7edcfd116 100644
--- a/src/microcode/uxproc.h
+++ b/src/microcode/uxproc.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/uxsig.c b/src/microcode/uxsig.c
index 0b899ffb3..5a4547cb4 100644
--- a/src/microcode/uxsig.c
+++ b/src/microcode/uxsig.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/uxsig.h b/src/microcode/uxsig.h
index a692e91ce..1acdbdce8 100644
--- a/src/microcode/uxsig.h
+++ b/src/microcode/uxsig.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/uxsock.c b/src/microcode/uxsock.c
index f5b67df45..0985c76d1 100644
--- a/src/microcode/uxsock.c
+++ b/src/microcode/uxsock.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/uxsock.h b/src/microcode/uxsock.h
index f2fd39038..effe09e4c 100644
--- a/src/microcode/uxsock.h
+++ b/src/microcode/uxsock.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/uxterm.c b/src/microcode/uxterm.c
index 54a1d5c6e..18109c813 100644
--- a/src/microcode/uxterm.c
+++ b/src/microcode/uxterm.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/uxterm.h b/src/microcode/uxterm.h
index 8a00a1ae9..eb02edd08 100644
--- a/src/microcode/uxterm.h
+++ b/src/microcode/uxterm.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/uxtop.c b/src/microcode/uxtop.c
index 150d1c7a3..7de058cad 100644
--- a/src/microcode/uxtop.c
+++ b/src/microcode/uxtop.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/uxtop.h b/src/microcode/uxtop.h
index 835e16ce8..de34bfd53 100644
--- a/src/microcode/uxtop.h
+++ b/src/microcode/uxtop.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/uxtrap.c b/src/microcode/uxtrap.c
index aecdc5a2f..b3a9b1cdb 100644
--- a/src/microcode/uxtrap.c
+++ b/src/microcode/uxtrap.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/uxtrap.h b/src/microcode/uxtrap.h
index 3ad7998c1..0545126bc 100644
--- a/src/microcode/uxtrap.h
+++ b/src/microcode/uxtrap.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/uxtty.c b/src/microcode/uxtty.c
index 782127ad5..cda8d4f9e 100644
--- a/src/microcode/uxtty.c
+++ b/src/microcode/uxtty.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/uxutil.c b/src/microcode/uxutil.c
index d176ceb37..ba3dea8b0 100644
--- a/src/microcode/uxutil.c
+++ b/src/microcode/uxutil.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/uxutil.h b/src/microcode/uxutil.h
index 85c641b0e..d97617439 100644
--- a/src/microcode/uxutil.h
+++ b/src/microcode/uxutil.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/vector.c b/src/microcode/vector.c
index b33fee89a..2468a6b05 100644
--- a/src/microcode/vector.c
+++ b/src/microcode/vector.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/wind.c b/src/microcode/wind.c
index 6551a34cc..0cccab817 100644
--- a/src/microcode/wind.c
+++ b/src/microcode/wind.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/microcode/xdebug.c b/src/microcode/xdebug.c
index f980b38a3..20d452d34 100644
--- a/src/microcode/xdebug.c
+++ b/src/microcode/xdebug.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/pgsql/Makefile.am b/src/pgsql/Makefile.am
index 06c500ea2..a292aea4e 100644
--- a/src/pgsql/Makefile.am
+++ b/src/pgsql/Makefile.am
@@ -3,7 +3,8 @@
 ## Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 ##     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 ##     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-##     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+##     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+##     Technology
 ## 
 ## This file is part of MIT/GNU Scheme.
 ## 
diff --git a/src/pgsql/NEWS b/src/pgsql/NEWS
index 4086541a1..9ea935f9a 100644
--- a/src/pgsql/NEWS
+++ b/src/pgsql/NEWS
@@ -3,7 +3,7 @@ mit-scheme-pgsql NEWS -- history of user-visible changes.
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/pgsql/compile.sh b/src/pgsql/compile.sh
index c6abb7523..8c70dcb53 100755
--- a/src/pgsql/compile.sh
+++ b/src/pgsql/compile.sh
@@ -4,7 +4,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of a PostgreSQL plugin for MIT/GNU Scheme.
 #
diff --git a/src/pgsql/configure.ac b/src/pgsql/configure.ac
index 74342a77c..22c0ccd41 100644
--- a/src/pgsql/configure.ac
+++ b/src/pgsql/configure.ac
@@ -13,7 +13,7 @@ AC_COPYRIGHT(
 [Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
@@ -38,7 +38,7 @@ AH_TOP([/*
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/pgsql/pgsql-check.scm b/src/pgsql/pgsql-check.scm
index c34316049..67206a27c 100644
--- a/src/pgsql/pgsql-check.scm
+++ b/src/pgsql/pgsql-check.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/pgsql/pgsql-shim.h b/src/pgsql/pgsql-shim.h
index 1ed49419b..ae1615fe2 100644
--- a/src/pgsql/pgsql-shim.h
+++ b/src/pgsql/pgsql-shim.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/pgsql/pgsql.cdecl b/src/pgsql/pgsql.cdecl
index c08d49116..5dd895c25 100644
--- a/src/pgsql/pgsql.cdecl
+++ b/src/pgsql/pgsql.cdecl
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/pgsql/pgsql.pkg b/src/pgsql/pgsql.pkg
index e662721f9..93feb6a92 100644
--- a/src/pgsql/pgsql.pkg
+++ b/src/pgsql/pgsql.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/pgsql/pgsql.scm b/src/pgsql/pgsql.scm
index 9a7a54e7c..c5761a262 100644
--- a/src/pgsql/pgsql.scm
+++ b/src/pgsql/pgsql.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/advice.scm b/src/runtime/advice.scm
index 749542637..f790d6c5f 100644
--- a/src/runtime/advice.scm
+++ b/src/runtime/advice.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/apply.scm b/src/runtime/apply.scm
index 82d6ada3d..f6d5eb9be 100644
--- a/src/runtime/apply.scm
+++ b/src/runtime/apply.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/apropos.scm b/src/runtime/apropos.scm
index 774856e7d..a721a7d0d 100644
--- a/src/runtime/apropos.scm
+++ b/src/runtime/apropos.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/arith.scm b/src/runtime/arith.scm
index 9ad5d9073..60b24f774 100644
--- a/src/runtime/arith.scm
+++ b/src/runtime/arith.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/binary-port.scm b/src/runtime/binary-port.scm
index 2e67309ca..dfb60f3e7 100644
--- a/src/runtime/binary-port.scm
+++ b/src/runtime/binary-port.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/bitstr.scm b/src/runtime/bitstr.scm
index 742a1cebf..ed40041ad 100644
--- a/src/runtime/bitstr.scm
+++ b/src/runtime/bitstr.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/blowfish.scm b/src/runtime/blowfish.scm
index 0fca2a7a5..3f16f59d4 100644
--- a/src/runtime/blowfish.scm
+++ b/src/runtime/blowfish.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/boole.scm b/src/runtime/boole.scm
index 2f7bde8b9..b8a2604de 100644
--- a/src/runtime/boole.scm
+++ b/src/runtime/boole.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/boot.scm b/src/runtime/boot.scm
index d06b5a6f3..99f274981 100644
--- a/src/runtime/boot.scm
+++ b/src/runtime/boot.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/bundle.scm b/src/runtime/bundle.scm
index 25dab6e82..091dd0ab9 100644
--- a/src/runtime/bundle.scm
+++ b/src/runtime/bundle.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/bytevector.scm b/src/runtime/bytevector.scm
index 6ab44e1fd..00e1e7729 100644
--- a/src/runtime/bytevector.scm
+++ b/src/runtime/bytevector.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/char-set.scm b/src/runtime/char-set.scm
index 3b2fbc953..61b40fbe8 100644
--- a/src/runtime/char-set.scm
+++ b/src/runtime/char-set.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/char.scm b/src/runtime/char.scm
index cbf8fdbbf..cdf0563e1 100644
--- a/src/runtime/char.scm
+++ b/src/runtime/char.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/chrsyn.scm b/src/runtime/chrsyn.scm
index 90ae04c1b..ece276569 100644
--- a/src/runtime/chrsyn.scm
+++ b/src/runtime/chrsyn.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/codwlk.scm b/src/runtime/codwlk.scm
index 9659472ee..9811d2b15 100644
--- a/src/runtime/codwlk.scm
+++ b/src/runtime/codwlk.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/command-line.scm b/src/runtime/command-line.scm
index 66f60332b..7a6bfaab5 100644
--- a/src/runtime/command-line.scm
+++ b/src/runtime/command-line.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/compound-predicate.scm b/src/runtime/compound-predicate.scm
index b1bb8991e..37269a93d 100644
--- a/src/runtime/compound-predicate.scm
+++ b/src/runtime/compound-predicate.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/condvar.scm b/src/runtime/condvar.scm
index 0bbfad906..3d84fc8a0 100644
--- a/src/runtime/condvar.scm
+++ b/src/runtime/condvar.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/conpar.scm b/src/runtime/conpar.scm
index 5b1dade35..097401c11 100644
--- a/src/runtime/conpar.scm
+++ b/src/runtime/conpar.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/console-io.scm b/src/runtime/console-io.scm
index ae6e3e6a1..1152662f2 100644
--- a/src/runtime/console-io.scm
+++ b/src/runtime/console-io.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/contin.scm b/src/runtime/contin.scm
index 9574e1fd8..75d9da26f 100644
--- a/src/runtime/contin.scm
+++ b/src/runtime/contin.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/cpoint.scm b/src/runtime/cpoint.scm
index a4fd86dc6..668de30b0 100644
--- a/src/runtime/cpoint.scm
+++ b/src/runtime/cpoint.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/cpress.scm b/src/runtime/cpress.scm
index 4f7f1a2c7..4fce40335 100644
--- a/src/runtime/cpress.scm
+++ b/src/runtime/cpress.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/crypto.scm b/src/runtime/crypto.scm
index 6738b8003..c2e051fbe 100644
--- a/src/runtime/crypto.scm
+++ b/src/runtime/crypto.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/datime.scm b/src/runtime/datime.scm
index a024c38a7..3ab8300d3 100644
--- a/src/runtime/datime.scm
+++ b/src/runtime/datime.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/dbgcmd.scm b/src/runtime/dbgcmd.scm
index 35349479a..74ed8cc96 100644
--- a/src/runtime/dbgcmd.scm
+++ b/src/runtime/dbgcmd.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/dbgutl.scm b/src/runtime/dbgutl.scm
index 54079cf22..3677cb15d 100644
--- a/src/runtime/dbgutl.scm
+++ b/src/runtime/dbgutl.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/debug.scm b/src/runtime/debug.scm
index b69f7063c..765c8b558 100644
--- a/src/runtime/debug.scm
+++ b/src/runtime/debug.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/defstr.scm b/src/runtime/defstr.scm
index cde702564..4606cca92 100644
--- a/src/runtime/defstr.scm
+++ b/src/runtime/defstr.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/dispatch-cache.scm b/src/runtime/dispatch-cache.scm
index 0eb94e2d7..7e4fc85f0 100644
--- a/src/runtime/dispatch-cache.scm
+++ b/src/runtime/dispatch-cache.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/dispatch-tag.scm b/src/runtime/dispatch-tag.scm
index b34755ac3..ff235663c 100644
--- a/src/runtime/dispatch-tag.scm
+++ b/src/runtime/dispatch-tag.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/dos-pathname.scm b/src/runtime/dos-pathname.scm
index df0a5d79f..1861f3da3 100644
--- a/src/runtime/dos-pathname.scm
+++ b/src/runtime/dos-pathname.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/dragon4.scm b/src/runtime/dragon4.scm
index 2155d02ab..87e120b81 100644
--- a/src/runtime/dragon4.scm
+++ b/src/runtime/dragon4.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/dynamic.scm b/src/runtime/dynamic.scm
index edea73749..fc9a13c82 100644
--- a/src/runtime/dynamic.scm
+++ b/src/runtime/dynamic.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ed-ffi.scm b/src/runtime/ed-ffi.scm
index cb381c41b..5d692383f 100644
--- a/src/runtime/ed-ffi.scm
+++ b/src/runtime/ed-ffi.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/emacs.scm b/src/runtime/emacs.scm
index 451a79073..43f945238 100644
--- a/src/runtime/emacs.scm
+++ b/src/runtime/emacs.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/environment.scm b/src/runtime/environment.scm
index 9338264cb..5d892ae8a 100644
--- a/src/runtime/environment.scm
+++ b/src/runtime/environment.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/equals.scm b/src/runtime/equals.scm
index 7861a1f29..2f55f6518 100644
--- a/src/runtime/equals.scm
+++ b/src/runtime/equals.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/error.scm b/src/runtime/error.scm
index a3c22e250..a22d2f821 100644
--- a/src/runtime/error.scm
+++ b/src/runtime/error.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/events.scm b/src/runtime/events.scm
index 0381ee1eb..1cc3b809d 100644
--- a/src/runtime/events.scm
+++ b/src/runtime/events.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ffi.scm b/src/runtime/ffi.scm
index f07cf8b46..c54228433 100644
--- a/src/runtime/ffi.scm
+++ b/src/runtime/ffi.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/file-attributes.scm b/src/runtime/file-attributes.scm
index c5dd84baf..082808337 100644
--- a/src/runtime/file-attributes.scm
+++ b/src/runtime/file-attributes.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/file-io.scm b/src/runtime/file-io.scm
index cf3971689..6f6554d0f 100644
--- a/src/runtime/file-io.scm
+++ b/src/runtime/file-io.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/floenv.scm b/src/runtime/floenv.scm
index dc40d4d04..d1ce1e30d 100644
--- a/src/runtime/floenv.scm
+++ b/src/runtime/floenv.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/format.scm b/src/runtime/format.scm
index a682ec908..c6ec83601 100644
--- a/src/runtime/format.scm
+++ b/src/runtime/format.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/framex.scm b/src/runtime/framex.scm
index e1ef3daab..402d71e34 100644
--- a/src/runtime/framex.scm
+++ b/src/runtime/framex.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/gc.scm b/src/runtime/gc.scm
index 8552b6661..0af39e17f 100644
--- a/src/runtime/gc.scm
+++ b/src/runtime/gc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/gcdemn.scm b/src/runtime/gcdemn.scm
index cdf85faa2..32a58b87a 100644
--- a/src/runtime/gcdemn.scm
+++ b/src/runtime/gcdemn.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/gcfinal.scm b/src/runtime/gcfinal.scm
index d5d5d9051..8bee6bc69 100644
--- a/src/runtime/gcfinal.scm
+++ b/src/runtime/gcfinal.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/gcnote.scm b/src/runtime/gcnote.scm
index de50abff1..674705e70 100644
--- a/src/runtime/gcnote.scm
+++ b/src/runtime/gcnote.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/gcstat.scm b/src/runtime/gcstat.scm
index e82329548..403c897e6 100644
--- a/src/runtime/gcstat.scm
+++ b/src/runtime/gcstat.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/gdatab.scm b/src/runtime/gdatab.scm
index 36f3ce9b2..9fc58af65 100644
--- a/src/runtime/gdatab.scm
+++ b/src/runtime/gdatab.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/gdbm.scm b/src/runtime/gdbm.scm
index c97d481d9..84b061546 100644
--- a/src/runtime/gdbm.scm
+++ b/src/runtime/gdbm.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/generic-io.scm b/src/runtime/generic-io.scm
index 05e702908..6052dfa31 100644
--- a/src/runtime/generic-io.scm
+++ b/src/runtime/generic-io.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/global.scm b/src/runtime/global.scm
index 873cac585..9f6f4f779 100644
--- a/src/runtime/global.scm
+++ b/src/runtime/global.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/graphics.scm b/src/runtime/graphics.scm
index 2ee397165..ed37bde78 100644
--- a/src/runtime/graphics.scm
+++ b/src/runtime/graphics.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/hash-table.scm b/src/runtime/hash-table.scm
index 080154a9b..eba472413 100644
--- a/src/runtime/hash-table.scm
+++ b/src/runtime/hash-table.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/hash.scm b/src/runtime/hash.scm
index 38361b8f3..4ea3638d3 100644
--- a/src/runtime/hash.scm
+++ b/src/runtime/hash.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/histry.scm b/src/runtime/histry.scm
index ca6f1cd43..733e16722 100644
--- a/src/runtime/histry.scm
+++ b/src/runtime/histry.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/host-adapter.scm b/src/runtime/host-adapter.scm
index 0c32242fd..6e65a631d 100644
--- a/src/runtime/host-adapter.scm
+++ b/src/runtime/host-adapter.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/html-form-codec.scm b/src/runtime/html-form-codec.scm
index 68bb06287..8cb8aea0e 100644
--- a/src/runtime/html-form-codec.scm
+++ b/src/runtime/html-form-codec.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/http-client.scm b/src/runtime/http-client.scm
index 0b6a83e80..2cde4a7a1 100644
--- a/src/runtime/http-client.scm
+++ b/src/runtime/http-client.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/http-io.scm b/src/runtime/http-io.scm
index a1fae22a3..3b79c7c5a 100644
--- a/src/runtime/http-io.scm
+++ b/src/runtime/http-io.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/http-syntax.scm b/src/runtime/http-syntax.scm
index b6c5ab1c6..0c6fae24f 100644
--- a/src/runtime/http-syntax.scm
+++ b/src/runtime/http-syntax.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/infstr.scm b/src/runtime/infstr.scm
index 619b5cc9f..32a1980c9 100644
--- a/src/runtime/infstr.scm
+++ b/src/runtime/infstr.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/infutl.scm b/src/runtime/infutl.scm
index 6b0ca155b..65f2a425c 100644
--- a/src/runtime/infutl.scm
+++ b/src/runtime/infutl.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/input-port.scm b/src/runtime/input-port.scm
index e4fcd4eb0..31ffc36db 100644
--- a/src/runtime/input-port.scm
+++ b/src/runtime/input-port.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/integer-bits.scm b/src/runtime/integer-bits.scm
index e6e1a9d28..c463c97a5 100644
--- a/src/runtime/integer-bits.scm
+++ b/src/runtime/integer-bits.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/interrupt.scm b/src/runtime/interrupt.scm
index 598f7e84e..2fcd665a1 100644
--- a/src/runtime/interrupt.scm
+++ b/src/runtime/interrupt.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/keyword.scm b/src/runtime/keyword.scm
index b31b079d9..ec3da4517 100644
--- a/src/runtime/keyword.scm
+++ b/src/runtime/keyword.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/lambda-list.scm b/src/runtime/lambda-list.scm
index ec64c38bf..190427e2f 100644
--- a/src/runtime/lambda-list.scm
+++ b/src/runtime/lambda-list.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/lambda.scm b/src/runtime/lambda.scm
index c42ad2fb7..e3e253fc5 100644
--- a/src/runtime/lambda.scm
+++ b/src/runtime/lambda.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/lambdx.scm b/src/runtime/lambdx.scm
index 33ad79b98..5db389866 100644
--- a/src/runtime/lambdx.scm
+++ b/src/runtime/lambdx.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/legacy-string.scm b/src/runtime/legacy-string.scm
index a422d0ae4..456e20289 100644
--- a/src/runtime/legacy-string.scm
+++ b/src/runtime/legacy-string.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/library-database.scm b/src/runtime/library-database.scm
index 3fb06d104..e711b664a 100644
--- a/src/runtime/library-database.scm
+++ b/src/runtime/library-database.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/library-imports.scm b/src/runtime/library-imports.scm
index 7f81143d5..dac164794 100644
--- a/src/runtime/library-imports.scm
+++ b/src/runtime/library-imports.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/library-loader.scm b/src/runtime/library-loader.scm
index 26c8a7eeb..0d0fd635c 100644
--- a/src/runtime/library-loader.scm
+++ b/src/runtime/library-loader.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/library-parser.scm b/src/runtime/library-parser.scm
index 6a6a7cef0..cb3cd6688 100644
--- a/src/runtime/library-parser.scm
+++ b/src/runtime/library-parser.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/library-scode.scm b/src/runtime/library-scode.scm
index f80cab872..dc5ce3a44 100644
--- a/src/runtime/library-scode.scm
+++ b/src/runtime/library-scode.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/library-standard.scm b/src/runtime/library-standard.scm
index 39114b8b6..32f6daec4 100644
--- a/src/runtime/library-standard.scm
+++ b/src/runtime/library-standard.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/list.scm b/src/runtime/list.scm
index a575e1234..ed135ccf9 100644
--- a/src/runtime/list.scm
+++ b/src/runtime/list.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/load.scm b/src/runtime/load.scm
index 280954cde..8138c1ebf 100644
--- a/src/runtime/load.scm
+++ b/src/runtime/load.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/make.scm b/src/runtime/make.scm
index a0b9d9ce9..c45d58918 100644
--- a/src/runtime/make.scm
+++ b/src/runtime/make.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/memoizer.scm b/src/runtime/memoizer.scm
index bbeedc398..978cadbcf 100644
--- a/src/runtime/memoizer.scm
+++ b/src/runtime/memoizer.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/microcode-data.scm b/src/runtime/microcode-data.scm
index 3f472d0fe..a31e23f68 100644
--- a/src/runtime/microcode-data.scm
+++ b/src/runtime/microcode-data.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/microcode-errors.scm b/src/runtime/microcode-errors.scm
index cf25d4c03..c5daab41a 100644
--- a/src/runtime/microcode-errors.scm
+++ b/src/runtime/microcode-errors.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/microcode-tables.scm b/src/runtime/microcode-tables.scm
index ff26f220c..3f2bd2cc2 100644
--- a/src/runtime/microcode-tables.scm
+++ b/src/runtime/microcode-tables.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/mime-codec.scm b/src/runtime/mime-codec.scm
index 269a59b12..eb407da50 100644
--- a/src/runtime/mime-codec.scm
+++ b/src/runtime/mime-codec.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/mit-macros.scm b/src/runtime/mit-macros.scm
index 06c6c02bc..6cce4432c 100644
--- a/src/runtime/mit-macros.scm
+++ b/src/runtime/mit-macros.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/mit-syntax.scm b/src/runtime/mit-syntax.scm
index 8575700b6..2a2dfb028 100644
--- a/src/runtime/mit-syntax.scm
+++ b/src/runtime/mit-syntax.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/msort.scm b/src/runtime/msort.scm
index 4e56a08c1..70efc1eea 100644
--- a/src/runtime/msort.scm
+++ b/src/runtime/msort.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ntdir.scm b/src/runtime/ntdir.scm
index 109125628..91f5c3879 100644
--- a/src/runtime/ntdir.scm
+++ b/src/runtime/ntdir.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ntprm.scm b/src/runtime/ntprm.scm
index 2f397d708..b98ec8f79 100644
--- a/src/runtime/ntprm.scm
+++ b/src/runtime/ntprm.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/numint.scm b/src/runtime/numint.scm
index fa7a5a71e..f7d8e0f51 100644
--- a/src/runtime/numint.scm
+++ b/src/runtime/numint.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/numpar.scm b/src/runtime/numpar.scm
index d995b14fd..48918eace 100644
--- a/src/runtime/numpar.scm
+++ b/src/runtime/numpar.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/option.scm b/src/runtime/option.scm
index a43011bb1..70795a5aa 100644
--- a/src/runtime/option.scm
+++ b/src/runtime/option.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/optiondb.scm b/src/runtime/optiondb.scm
index 8d110f992..2bf7db6b2 100644
--- a/src/runtime/optiondb.scm
+++ b/src/runtime/optiondb.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ordvec.scm b/src/runtime/ordvec.scm
index 32579c882..3ccbef05e 100644
--- a/src/runtime/ordvec.scm
+++ b/src/runtime/ordvec.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/os-primitives.scm b/src/runtime/os-primitives.scm
index af5ef160d..7a6fee3d2 100644
--- a/src/runtime/os-primitives.scm
+++ b/src/runtime/os-primitives.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/output-port.scm b/src/runtime/output-port.scm
index db4faf1bb..6c9d4c0b8 100644
--- a/src/runtime/output-port.scm
+++ b/src/runtime/output-port.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/packag.scm b/src/runtime/packag.scm
index 1933dc7a7..a52020432 100644
--- a/src/runtime/packag.scm
+++ b/src/runtime/packag.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/parametric-predicate.scm b/src/runtime/parametric-predicate.scm
index 5f33a85fe..b494f8017 100644
--- a/src/runtime/parametric-predicate.scm
+++ b/src/runtime/parametric-predicate.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/parser-buffer.scm b/src/runtime/parser-buffer.scm
index 4103bb88c..6f406d097 100644
--- a/src/runtime/parser-buffer.scm
+++ b/src/runtime/parser-buffer.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/pathname.scm b/src/runtime/pathname.scm
index 22a9f7a0a..431df7963 100644
--- a/src/runtime/pathname.scm
+++ b/src/runtime/pathname.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/pgsql.scm b/src/runtime/pgsql.scm
index 5a1a8c5bb..ab4d84de5 100644
--- a/src/runtime/pgsql.scm
+++ b/src/runtime/pgsql.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/poplat.scm b/src/runtime/poplat.scm
index c68b8cdbb..1a0a4d394 100644
--- a/src/runtime/poplat.scm
+++ b/src/runtime/poplat.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/pp.scm b/src/runtime/pp.scm
index 8dda0635d..006a573fa 100644
--- a/src/runtime/pp.scm
+++ b/src/runtime/pp.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/predicate-dispatch.scm b/src/runtime/predicate-dispatch.scm
index 3dcc4f0c6..18f9078f4 100644
--- a/src/runtime/predicate-dispatch.scm
+++ b/src/runtime/predicate-dispatch.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/predicate-tagging.scm b/src/runtime/predicate-tagging.scm
index 10d6d7a4d..addc95bfe 100644
--- a/src/runtime/predicate-tagging.scm
+++ b/src/runtime/predicate-tagging.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/predicate.scm b/src/runtime/predicate.scm
index a9ded96e1..bb0c6e602 100644
--- a/src/runtime/predicate.scm
+++ b/src/runtime/predicate.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/prgcop.scm b/src/runtime/prgcop.scm
index 476c7d8fa..2e2983349 100644
--- a/src/runtime/prgcop.scm
+++ b/src/runtime/prgcop.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/primitive-arithmetic.scm b/src/runtime/primitive-arithmetic.scm
index aa00cf993..c95313e41 100644
--- a/src/runtime/primitive-arithmetic.scm
+++ b/src/runtime/primitive-arithmetic.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/primitive-io.scm b/src/runtime/primitive-io.scm
index 3439548bc..a11523db6 100644
--- a/src/runtime/primitive-io.scm
+++ b/src/runtime/primitive-io.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/printer.scm b/src/runtime/printer.scm
index d745f70f5..32f39b236 100644
--- a/src/runtime/printer.scm
+++ b/src/runtime/printer.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/procedure.scm b/src/runtime/procedure.scm
index c96f54fb4..a4c59a1ff 100644
--- a/src/runtime/procedure.scm
+++ b/src/runtime/procedure.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/process.scm b/src/runtime/process.scm
index 34460aed6..45e0b454d 100644
--- a/src/runtime/process.scm
+++ b/src/runtime/process.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/prop1d.scm b/src/runtime/prop1d.scm
index cfadcd4e1..ca3886e39 100644
--- a/src/runtime/prop1d.scm
+++ b/src/runtime/prop1d.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/prop2d.scm b/src/runtime/prop2d.scm
index 99566fdd6..ab02ec39c 100644
--- a/src/runtime/prop2d.scm
+++ b/src/runtime/prop2d.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/qsort.scm b/src/runtime/qsort.scm
index 60eb0f6b5..55f7dcffd 100644
--- a/src/runtime/qsort.scm
+++ b/src/runtime/qsort.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/queue.scm b/src/runtime/queue.scm
index 08439796b..c697b2954 100644
--- a/src/runtime/queue.scm
+++ b/src/runtime/queue.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/random.scm b/src/runtime/random.scm
index 9461bd1a8..2b480543b 100644
--- a/src/runtime/random.scm
+++ b/src/runtime/random.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/rbtree.scm b/src/runtime/rbtree.scm
index 5bb4dfe3a..d3490c3b6 100644
--- a/src/runtime/rbtree.scm
+++ b/src/runtime/rbtree.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/reader.scm b/src/runtime/reader.scm
index 84c051a51..bd05bb92f 100644
--- a/src/runtime/reader.scm
+++ b/src/runtime/reader.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/record.scm b/src/runtime/record.scm
index 19d65980a..ad4e7cc3f 100644
--- a/src/runtime/record.scm
+++ b/src/runtime/record.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/reference-trap.scm b/src/runtime/reference-trap.scm
index e61edce03..e5397c017 100644
--- a/src/runtime/reference-trap.scm
+++ b/src/runtime/reference-trap.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/regexp.scm b/src/runtime/regexp.scm
index af912e00f..98efe881a 100644
--- a/src/runtime/regexp.scm
+++ b/src/runtime/regexp.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/regsexp.scm b/src/runtime/regsexp.scm
index cac0c7a16..46c6bea36 100644
--- a/src/runtime/regsexp.scm
+++ b/src/runtime/regsexp.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/rep.scm b/src/runtime/rep.scm
index 5fefb5411..48f2cbe9f 100644
--- a/src/runtime/rep.scm
+++ b/src/runtime/rep.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/rexp.scm b/src/runtime/rexp.scm
index cb6790233..7df6f2e2b 100644
--- a/src/runtime/rexp.scm
+++ b/src/runtime/rexp.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/rfc2822-headers.scm b/src/runtime/rfc2822-headers.scm
index cf4807937..713c11167 100644
--- a/src/runtime/rfc2822-headers.scm
+++ b/src/runtime/rfc2822-headers.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/rgxcmp.scm b/src/runtime/rgxcmp.scm
index 158ecc696..6892650c5 100644
--- a/src/runtime/rgxcmp.scm
+++ b/src/runtime/rgxcmp.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/runtime.cbf b/src/runtime/runtime.cbf
index 250ac8851..500601740 100644
--- a/src/runtime/runtime.cbf
+++ b/src/runtime/runtime.cbf
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/runtime.pkg b/src/runtime/runtime.pkg
index 75032dd44..040fe0a20 100644
--- a/src/runtime/runtime.pkg
+++ b/src/runtime/runtime.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/runtime.sf b/src/runtime/runtime.sf
index 4c569b2d7..dd4d9329c 100644
--- a/src/runtime/runtime.sf
+++ b/src/runtime/runtime.sf
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/savres.scm b/src/runtime/savres.scm
index 4f9513175..a5953bc2b 100644
--- a/src/runtime/savres.scm
+++ b/src/runtime/savres.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/scan.scm b/src/runtime/scan.scm
index 27f2667b3..b20085c96 100644
--- a/src/runtime/scan.scm
+++ b/src/runtime/scan.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/scode.scm b/src/runtime/scode.scm
index 037023ae1..0acaf730b 100644
--- a/src/runtime/scode.scm
+++ b/src/runtime/scode.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/sdata.scm b/src/runtime/sdata.scm
index d8090e09f..6988754ba 100644
--- a/src/runtime/sdata.scm
+++ b/src/runtime/sdata.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/sfile.scm b/src/runtime/sfile.scm
index 749b76e54..496bfb9e7 100644
--- a/src/runtime/sfile.scm
+++ b/src/runtime/sfile.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/sha3.scm b/src/runtime/sha3.scm
index e57f2e01b..1e434f5f2 100644
--- a/src/runtime/sha3.scm
+++ b/src/runtime/sha3.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/socket.scm b/src/runtime/socket.scm
index d05be284a..0b2dcb5cc 100644
--- a/src/runtime/socket.scm
+++ b/src/runtime/socket.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/srfi-1.scm b/src/runtime/srfi-1.scm
index 24bc13278..2062f39f7 100644
--- a/src/runtime/srfi-1.scm
+++ b/src/runtime/srfi-1.scm
@@ -12,7 +12,7 @@ Hanson for inclusion in MIT/GNU Scheme.
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/stream.scm b/src/runtime/stream.scm
index 8e7d92d07..8da5bbf86 100644
--- a/src/runtime/stream.scm
+++ b/src/runtime/stream.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/string-io.scm b/src/runtime/string-io.scm
index 8d60fdfc1..fb111276e 100644
--- a/src/runtime/string-io.scm
+++ b/src/runtime/string-io.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/string.scm b/src/runtime/string.scm
index 013e7dd70..54c63e5d4 100644
--- a/src/runtime/string.scm
+++ b/src/runtime/string.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/structure-parser.scm b/src/runtime/structure-parser.scm
index 79d12ca15..eba079c27 100644
--- a/src/runtime/structure-parser.scm
+++ b/src/runtime/structure-parser.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/swank.scm b/src/runtime/swank.scm
index 48b2c7063..e98d9428f 100644
--- a/src/runtime/swank.scm
+++ b/src/runtime/swank.scm
@@ -8,7 +8,7 @@ License as distributed with Emacs (press C-h C-c for details).
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/symbol.scm b/src/runtime/symbol.scm
index 68edf4ba4..9e854528f 100644
--- a/src/runtime/symbol.scm
+++ b/src/runtime/symbol.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/syncproc.scm b/src/runtime/syncproc.scm
index 054636ca1..970aad080 100644
--- a/src/runtime/syncproc.scm
+++ b/src/runtime/syncproc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/syntax-check.scm b/src/runtime/syntax-check.scm
index ede3925da..cee2e7b80 100644
--- a/src/runtime/syntax-check.scm
+++ b/src/runtime/syntax-check.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/syntax-constructor.scm b/src/runtime/syntax-constructor.scm
index b228b5416..07d924d75 100644
--- a/src/runtime/syntax-constructor.scm
+++ b/src/runtime/syntax-constructor.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/syntax-declaration.scm b/src/runtime/syntax-declaration.scm
index 84335d6f6..cf9d7bdf5 100644
--- a/src/runtime/syntax-declaration.scm
+++ b/src/runtime/syntax-declaration.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/syntax-environment.scm b/src/runtime/syntax-environment.scm
index 2ac7e941b..4f5394459 100644
--- a/src/runtime/syntax-environment.scm
+++ b/src/runtime/syntax-environment.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/syntax-items.scm b/src/runtime/syntax-items.scm
index f36e28a2d..124ec6d87 100644
--- a/src/runtime/syntax-items.scm
+++ b/src/runtime/syntax-items.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/syntax-low.scm b/src/runtime/syntax-low.scm
index 95c05fae0..00ba3b74d 100644
--- a/src/runtime/syntax-low.scm
+++ b/src/runtime/syntax-low.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/syntax-output.scm b/src/runtime/syntax-output.scm
index 0dc6ee9a6..934564fe4 100644
--- a/src/runtime/syntax-output.scm
+++ b/src/runtime/syntax-output.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/syntax-parser.scm b/src/runtime/syntax-parser.scm
index 84ebcfbd6..32b298c9a 100644
--- a/src/runtime/syntax-parser.scm
+++ b/src/runtime/syntax-parser.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/syntax-rename.scm b/src/runtime/syntax-rename.scm
index 752b806e5..413090324 100644
--- a/src/runtime/syntax-rename.scm
+++ b/src/runtime/syntax-rename.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/syntax-rules.scm b/src/runtime/syntax-rules.scm
index 7ba5c7d98..d27f573ee 100644
--- a/src/runtime/syntax-rules.scm
+++ b/src/runtime/syntax-rules.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/syntax.scm b/src/runtime/syntax.scm
index a04a2d7cd..f76f5dd46 100644
--- a/src/runtime/syntax.scm
+++ b/src/runtime/syntax.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/sysclk.scm b/src/runtime/sysclk.scm
index 74cf62d84..886cf7bb8 100644
--- a/src/runtime/sysclk.scm
+++ b/src/runtime/sysclk.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/sysmac.scm b/src/runtime/sysmac.scm
index 47900b49e..b09fdcff0 100644
--- a/src/runtime/sysmac.scm
+++ b/src/runtime/sysmac.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/system.scm b/src/runtime/system.scm
index 6b8d74829..2c971010a 100644
--- a/src/runtime/system.scm
+++ b/src/runtime/system.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/textual-port.scm b/src/runtime/textual-port.scm
index 40977077d..42c372fb4 100644
--- a/src/runtime/textual-port.scm
+++ b/src/runtime/textual-port.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/thread-barrier.scm b/src/runtime/thread-barrier.scm
index 7a20478d2..c366e21f4 100644
--- a/src/runtime/thread-barrier.scm
+++ b/src/runtime/thread-barrier.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/thread-low.scm b/src/runtime/thread-low.scm
index cfb810415..a96b752b5 100644
--- a/src/runtime/thread-low.scm
+++ b/src/runtime/thread-low.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/thread-queue.scm b/src/runtime/thread-queue.scm
index abf8ec6db..a59d27225 100644
--- a/src/runtime/thread-queue.scm
+++ b/src/runtime/thread-queue.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/thread.scm b/src/runtime/thread.scm
index 3fb29d404..943ca5592 100644
--- a/src/runtime/thread.scm
+++ b/src/runtime/thread.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/transcript.scm b/src/runtime/transcript.scm
index 351c4cd67..7e85bf528 100644
--- a/src/runtime/transcript.scm
+++ b/src/runtime/transcript.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-glue.scm b/src/runtime/ucd-glue.scm
index 8f6e92ec1..ce217c0a9 100644
--- a/src/runtime/ucd-glue.scm
+++ b/src/runtime/ucd-glue.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-alpha.scm b/src/runtime/ucd-table-alpha.scm
index 533b03ed2..f512b494e 100644
--- a/src/runtime/ucd-table-alpha.scm
+++ b/src/runtime/ucd-table-alpha.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-canonical-cm-second.scm b/src/runtime/ucd-table-canonical-cm-second.scm
index 98afdb023..e92425c32 100644
--- a/src/runtime/ucd-table-canonical-cm-second.scm
+++ b/src/runtime/ucd-table-canonical-cm-second.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-canonical-cm.scm b/src/runtime/ucd-table-canonical-cm.scm
index b30ea7147..025b876a7 100644
--- a/src/runtime/ucd-table-canonical-cm.scm
+++ b/src/runtime/ucd-table-canonical-cm.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-canonical-dm.scm b/src/runtime/ucd-table-canonical-dm.scm
index b927def59..e0ed3b64a 100644
--- a/src/runtime/ucd-table-canonical-dm.scm
+++ b/src/runtime/ucd-table-canonical-dm.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-cased.scm b/src/runtime/ucd-table-cased.scm
index a7474df1c..591de14d3 100644
--- a/src/runtime/ucd-table-cased.scm
+++ b/src/runtime/ucd-table-cased.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-ccc.scm b/src/runtime/ucd-table-ccc.scm
index 0cb51ec9c..3cd4498c4 100644
--- a/src/runtime/ucd-table-ccc.scm
+++ b/src/runtime/ucd-table-ccc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-cf.scm b/src/runtime/ucd-table-cf.scm
index 834edec69..e84f51326 100644
--- a/src/runtime/ucd-table-cf.scm
+++ b/src/runtime/ucd-table-cf.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-comp_ex.scm b/src/runtime/ucd-table-comp_ex.scm
index 1366edb03..29ceb1ad0 100644
--- a/src/runtime/ucd-table-comp_ex.scm
+++ b/src/runtime/ucd-table-comp_ex.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-cwcf.scm b/src/runtime/ucd-table-cwcf.scm
index 9bdcabbaa..3212a3ae3 100644
--- a/src/runtime/ucd-table-cwcf.scm
+++ b/src/runtime/ucd-table-cwcf.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-cwl.scm b/src/runtime/ucd-table-cwl.scm
index 4cf66095b..fd4f515cc 100644
--- a/src/runtime/ucd-table-cwl.scm
+++ b/src/runtime/ucd-table-cwl.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-cwu.scm b/src/runtime/ucd-table-cwu.scm
index 42e0f7298..ad450e189 100644
--- a/src/runtime/ucd-table-cwu.scm
+++ b/src/runtime/ucd-table-cwu.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-gc.scm b/src/runtime/ucd-table-gc.scm
index 43f6de6ff..6fa32c87d 100644
--- a/src/runtime/ucd-table-gc.scm
+++ b/src/runtime/ucd-table-gc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-gcb.scm b/src/runtime/ucd-table-gcb.scm
index 960398e8f..e3aa64328 100644
--- a/src/runtime/ucd-table-gcb.scm
+++ b/src/runtime/ucd-table-gcb.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-lc.scm b/src/runtime/ucd-table-lc.scm
index 3e1773cf6..9673c1841 100644
--- a/src/runtime/ucd-table-lc.scm
+++ b/src/runtime/ucd-table-lc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-lower.scm b/src/runtime/ucd-table-lower.scm
index 613ae19a3..d78671aa6 100644
--- a/src/runtime/ucd-table-lower.scm
+++ b/src/runtime/ucd-table-lower.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-nfc_qc.scm b/src/runtime/ucd-table-nfc_qc.scm
index 9589ef93f..ea16e9e94 100644
--- a/src/runtime/ucd-table-nfc_qc.scm
+++ b/src/runtime/ucd-table-nfc_qc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-nfd_qc.scm b/src/runtime/ucd-table-nfd_qc.scm
index 97108b78d..9b5138ffd 100644
--- a/src/runtime/ucd-table-nfd_qc.scm
+++ b/src/runtime/ucd-table-nfd_qc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-nt.scm b/src/runtime/ucd-table-nt.scm
index a1250d7aa..8ab00bfb9 100644
--- a/src/runtime/ucd-table-nt.scm
+++ b/src/runtime/ucd-table-nt.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-nv.scm b/src/runtime/ucd-table-nv.scm
index 2184ce984..7007bc210 100644
--- a/src/runtime/ucd-table-nv.scm
+++ b/src/runtime/ucd-table-nv.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-scf.scm b/src/runtime/ucd-table-scf.scm
index cf5652ec0..8e0218556 100644
--- a/src/runtime/ucd-table-scf.scm
+++ b/src/runtime/ucd-table-scf.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-slc.scm b/src/runtime/ucd-table-slc.scm
index 5b931b38f..68367f3e8 100644
--- a/src/runtime/ucd-table-slc.scm
+++ b/src/runtime/ucd-table-slc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-suc.scm b/src/runtime/ucd-table-suc.scm
index 375e684c0..ecc01f118 100644
--- a/src/runtime/ucd-table-suc.scm
+++ b/src/runtime/ucd-table-suc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-tc.scm b/src/runtime/ucd-table-tc.scm
index e0bc4daec..3299696ca 100644
--- a/src/runtime/ucd-table-tc.scm
+++ b/src/runtime/ucd-table-tc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-uc.scm b/src/runtime/ucd-table-uc.scm
index cd8b35a2f..f2618d1f0 100644
--- a/src/runtime/ucd-table-uc.scm
+++ b/src/runtime/ucd-table-uc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-upper.scm b/src/runtime/ucd-table-upper.scm
index 77f6795ab..51c0d93d0 100644
--- a/src/runtime/ucd-table-upper.scm
+++ b/src/runtime/ucd-table-upper.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-wb.scm b/src/runtime/ucd-table-wb.scm
index 1b459492a..6940c495f 100644
--- a/src/runtime/ucd-table-wb.scm
+++ b/src/runtime/ucd-table-wb.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ucd-table-wspace.scm b/src/runtime/ucd-table-wspace.scm
index c7d3afd21..6a5a4e3e9 100644
--- a/src/runtime/ucd-table-wspace.scm
+++ b/src/runtime/ucd-table-wspace.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/unix-pathname.scm b/src/runtime/unix-pathname.scm
index 875252cfa..143f4296d 100644
--- a/src/runtime/unix-pathname.scm
+++ b/src/runtime/unix-pathname.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/unsyn.scm b/src/runtime/unsyn.scm
index 1269001a6..f4a7802b3 100644
--- a/src/runtime/unsyn.scm
+++ b/src/runtime/unsyn.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/unxdir.scm b/src/runtime/unxdir.scm
index 35cd00ee2..749328293 100644
--- a/src/runtime/unxdir.scm
+++ b/src/runtime/unxdir.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/unxprm.scm b/src/runtime/unxprm.scm
index 32b28cabb..fb2c4cf9c 100644
--- a/src/runtime/unxprm.scm
+++ b/src/runtime/unxprm.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/url.scm b/src/runtime/url.scm
index 7492018b5..4b76d6331 100644
--- a/src/runtime/url.scm
+++ b/src/runtime/url.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/usrint.scm b/src/runtime/usrint.scm
index a22c94e42..d40321774 100644
--- a/src/runtime/usrint.scm
+++ b/src/runtime/usrint.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/vector.scm b/src/runtime/vector.scm
index d00f03458..fcb464b60 100644
--- a/src/runtime/vector.scm
+++ b/src/runtime/vector.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/version.scm b/src/runtime/version.scm
index 1a90285a9..cf299b518 100644
--- a/src/runtime/version.scm
+++ b/src/runtime/version.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
@@ -31,7 +31,7 @@ USA.
 
 (define copyright-years)
 
-(define last-copyright-year 2018 )
+(define last-copyright-year 2019 )
 
 (add-boot-init!
  (lambda ()
diff --git a/src/runtime/where.scm b/src/runtime/where.scm
index ad2992ced..061fc78d5 100644
--- a/src/runtime/where.scm
+++ b/src/runtime/where.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/win32-registry.scm b/src/runtime/win32-registry.scm
index 56e3247b0..71e0cae67 100644
--- a/src/runtime/win32-registry.scm
+++ b/src/runtime/win32-registry.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/wind.scm b/src/runtime/wind.scm
index 5ca9e72ee..159d59e08 100644
--- a/src/runtime/wind.scm
+++ b/src/runtime/wind.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/world-report.scm b/src/runtime/world-report.scm
index 4e0c0d922..1dbe6a264 100644
--- a/src/runtime/world-report.scm
+++ b/src/runtime/world-report.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/wrkdir.scm b/src/runtime/wrkdir.scm
index b64ba58f5..2199edf13 100644
--- a/src/runtime/wrkdir.scm
+++ b/src/runtime/wrkdir.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/wttree.scm b/src/runtime/wttree.scm
index 11069675e..94a4bf1cd 100644
--- a/src/runtime/wttree.scm
+++ b/src/runtime/wttree.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/x11graph.scm b/src/runtime/x11graph.scm
index f0f02b787..c8ff1455b 100644
--- a/src/runtime/x11graph.scm
+++ b/src/runtime/x11graph.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/xeval.scm b/src/runtime/xeval.scm
index 2501be3d2..241936ce2 100644
--- a/src/runtime/xeval.scm
+++ b/src/runtime/xeval.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/runtime/ystep.scm b/src/runtime/ystep.scm
index 3c717f781..8abb70308 100644
--- a/src/runtime/ystep.scm
+++ b/src/runtime/ystep.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sf/analyze.scm b/src/sf/analyze.scm
index d115446be..4ee93bb2a 100644
--- a/src/sf/analyze.scm
+++ b/src/sf/analyze.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sf/butils.scm b/src/sf/butils.scm
index 0ce836337..fb1f35237 100644
--- a/src/sf/butils.scm
+++ b/src/sf/butils.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sf/cgen.scm b/src/sf/cgen.scm
index 60d0bf310..f2a18329e 100644
--- a/src/sf/cgen.scm
+++ b/src/sf/cgen.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sf/chtype.scm b/src/sf/chtype.scm
index 1841a5bb9..ac6facf9c 100644
--- a/src/sf/chtype.scm
+++ b/src/sf/chtype.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sf/copy.scm b/src/sf/copy.scm
index 9d8875cc6..834154485 100644
--- a/src/sf/copy.scm
+++ b/src/sf/copy.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sf/emodel.scm b/src/sf/emodel.scm
index 07d2bb112..38d79dc5d 100644
--- a/src/sf/emodel.scm
+++ b/src/sf/emodel.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sf/gconst.scm b/src/sf/gconst.scm
index afdd7bdf6..8276da23b 100644
--- a/src/sf/gconst.scm
+++ b/src/sf/gconst.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sf/make.scm b/src/sf/make.scm
index f6c9c6eef..ff4da1df7 100644
--- a/src/sf/make.scm
+++ b/src/sf/make.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sf/object.scm b/src/sf/object.scm
index ada608a27..c135b4b83 100644
--- a/src/sf/object.scm
+++ b/src/sf/object.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sf/pardec.scm b/src/sf/pardec.scm
index 3ba0a1651..63997b31f 100644
--- a/src/sf/pardec.scm
+++ b/src/sf/pardec.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sf/pthmap.scm b/src/sf/pthmap.scm
index 8a1bab8c9..e0cb8f45e 100644
--- a/src/sf/pthmap.scm
+++ b/src/sf/pthmap.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sf/reduct.scm b/src/sf/reduct.scm
index 9b2108f7d..fa907ea89 100644
--- a/src/sf/reduct.scm
+++ b/src/sf/reduct.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sf/sf.cbf b/src/sf/sf.cbf
index 250ac8851..500601740 100644
--- a/src/sf/sf.cbf
+++ b/src/sf/sf.cbf
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sf/sf.pkg b/src/sf/sf.pkg
index a838fd116..6aa467fcc 100644
--- a/src/sf/sf.pkg
+++ b/src/sf/sf.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sf/sf.sf b/src/sf/sf.sf
index 5bb44d62f..a3568aa57 100644
--- a/src/sf/sf.sf
+++ b/src/sf/sf.sf
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sf/subst.scm b/src/sf/subst.scm
index cb4233a55..10d8fd350 100644
--- a/src/sf/subst.scm
+++ b/src/sf/subst.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sf/tables.scm b/src/sf/tables.scm
index 67da1cf38..8933fca79 100644
--- a/src/sf/tables.scm
+++ b/src/sf/tables.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sf/toplev.scm b/src/sf/toplev.scm
index 85300ea57..3472194e0 100644
--- a/src/sf/toplev.scm
+++ b/src/sf/toplev.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sf/usicon.scm b/src/sf/usicon.scm
index 23181cf78..ad5477c45 100644
--- a/src/sf/usicon.scm
+++ b/src/sf/usicon.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sf/usiexp.scm b/src/sf/usiexp.scm
index 3eb298868..bfa51a59c 100644
--- a/src/sf/usiexp.scm
+++ b/src/sf/usiexp.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sf/xform.scm b/src/sf/xform.scm
index e3c88c70d..7953eaf85 100644
--- a/src/sf/xform.scm
+++ b/src/sf/xform.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sos/class.scm b/src/sos/class.scm
index 1d6b2223e..101003095 100644
--- a/src/sos/class.scm
+++ b/src/sos/class.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sos/compile.scm b/src/sos/compile.scm
index 1ebc78585..8fedc65ce 100644
--- a/src/sos/compile.scm
+++ b/src/sos/compile.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sos/ed-ffi.scm b/src/sos/ed-ffi.scm
index 90b4783bb..d4c077130 100644
--- a/src/sos/ed-ffi.scm
+++ b/src/sos/ed-ffi.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sos/geneqht.scm b/src/sos/geneqht.scm
index 7e2aaccb3..2ebb75f19 100644
--- a/src/sos/geneqht.scm
+++ b/src/sos/geneqht.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sos/generic.scm b/src/sos/generic.scm
index 0ed51a4c8..1fee65eae 100644
--- a/src/sos/generic.scm
+++ b/src/sos/generic.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sos/genmult.scm b/src/sos/genmult.scm
index e41ea9541..04594b12c 100644
--- a/src/sos/genmult.scm
+++ b/src/sos/genmult.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sos/instance.scm b/src/sos/instance.scm
index 29fded5c7..5c15382d3 100644
--- a/src/sos/instance.scm
+++ b/src/sos/instance.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sos/load.scm b/src/sos/load.scm
index eb913a963..17ffffa18 100644
--- a/src/sos/load.scm
+++ b/src/sos/load.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sos/macros.scm b/src/sos/macros.scm
index 01801923f..a1865f109 100644
--- a/src/sos/macros.scm
+++ b/src/sos/macros.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sos/method.scm b/src/sos/method.scm
index f92cd6250..1deb09b82 100644
--- a/src/sos/method.scm
+++ b/src/sos/method.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sos/microbench.scm b/src/sos/microbench.scm
index 9ae6a21d1..62e17d913 100644
--- a/src/sos/microbench.scm
+++ b/src/sos/microbench.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sos/printer.scm b/src/sos/printer.scm
index 02bc9afda..ca7cbdf67 100644
--- a/src/sos/printer.scm
+++ b/src/sos/printer.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sos/recslot.scm b/src/sos/recslot.scm
index 7688f7529..c50fb3ab6 100644
--- a/src/sos/recslot.scm
+++ b/src/sos/recslot.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sos/slot.scm b/src/sos/slot.scm
index 0783b6fc0..02520f8f1 100644
--- a/src/sos/slot.scm
+++ b/src/sos/slot.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sos/sos.pkg b/src/sos/sos.pkg
index 34fe3cc1d..3b71f4976 100644
--- a/src/sos/sos.pkg
+++ b/src/sos/sos.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/sos/tvector.scm b/src/sos/tvector.scm
index 46a034b66..6481671b1 100644
--- a/src/sos/tvector.scm
+++ b/src/sos/tvector.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/ssp/compile.scm b/src/ssp/compile.scm
index 552d788b9..4baea1e2b 100644
--- a/src/ssp/compile.scm
+++ b/src/ssp/compile.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/ssp/expenv.scm b/src/ssp/expenv.scm
index 9c5c4009e..89a95ab8d 100644
--- a/src/ssp/expenv.scm
+++ b/src/ssp/expenv.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/ssp/load.scm b/src/ssp/load.scm
index c75466ad0..71e3b6fd8 100644
--- a/src/ssp/load.scm
+++ b/src/ssp/load.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/ssp/mod-lisp.scm b/src/ssp/mod-lisp.scm
index 8b95cf541..8ffeb6206 100644
--- a/src/ssp/mod-lisp.scm
+++ b/src/ssp/mod-lisp.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/ssp/ssp.pkg b/src/ssp/ssp.pkg
index ddefbe23a..c0aeaa944 100644
--- a/src/ssp/ssp.pkg
+++ b/src/ssp/ssp.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/ssp/xhtml-expander.scm b/src/ssp/xhtml-expander.scm
index 75b270853..ee5c32c57 100644
--- a/src/ssp/xhtml-expander.scm
+++ b/src/ssp/xhtml-expander.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/ssp/xmlrpc.scm b/src/ssp/xmlrpc.scm
index 5039d4d28..73ed9e8ed 100644
--- a/src/ssp/xmlrpc.scm
+++ b/src/ssp/xmlrpc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/star-parser/compile.scm b/src/star-parser/compile.scm
index c894d763d..317838a4a 100644
--- a/src/star-parser/compile.scm
+++ b/src/star-parser/compile.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/star-parser/ed-ffi.scm b/src/star-parser/ed-ffi.scm
index 78be7b975..477ae446d 100644
--- a/src/star-parser/ed-ffi.scm
+++ b/src/star-parser/ed-ffi.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/star-parser/load.scm b/src/star-parser/load.scm
index c470175e2..4f423fd0c 100644
--- a/src/star-parser/load.scm
+++ b/src/star-parser/load.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/star-parser/matcher.scm b/src/star-parser/matcher.scm
index 87f4807f5..93c5b9db6 100644
--- a/src/star-parser/matcher.scm
+++ b/src/star-parser/matcher.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/star-parser/parser.pkg b/src/star-parser/parser.pkg
index 39b2887ef..9b55eb089 100644
--- a/src/star-parser/parser.pkg
+++ b/src/star-parser/parser.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/star-parser/parser.scm b/src/star-parser/parser.scm
index 28739199e..a4af6ef7c 100644
--- a/src/star-parser/parser.scm
+++ b/src/star-parser/parser.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/star-parser/shared.scm b/src/star-parser/shared.scm
index f5155722a..a77a5763e 100644
--- a/src/star-parser/shared.scm
+++ b/src/star-parser/shared.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/win32/clipbrd.scm b/src/win32/clipbrd.scm
index 3f082b2d8..766eb3df8 100644
--- a/src/win32/clipbrd.scm
+++ b/src/win32/clipbrd.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/win32/dib.scm b/src/win32/dib.scm
index 8bfea797d..dd5543863 100644
--- a/src/win32/dib.scm
+++ b/src/win32/dib.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/win32/dibutils/dibutils.c b/src/win32/dibutils/dibutils.c
index 42014417a..722ca250d 100644
--- a/src/win32/dibutils/dibutils.c
+++ b/src/win32/dibutils/dibutils.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/win32/dibutils/dibutils.def b/src/win32/dibutils/dibutils.def
index bc17ea5ff..43e86b58d 100644
--- a/src/win32/dibutils/dibutils.def
+++ b/src/win32/dibutils/dibutils.def
@@ -2,7 +2,8 @@
 ;; Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 ;;     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 ;;     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-;;     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+;;     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+;;     Technology
 ;; 
 ;; This file is part of MIT/GNU Scheme.
 ;;
diff --git a/src/win32/dibutils/dibutils.h b/src/win32/dibutils/dibutils.h
index 01cd310c7..e79e2fad7 100644
--- a/src/win32/dibutils/dibutils.h
+++ b/src/win32/dibutils/dibutils.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/win32/dibutils/makefile.msc b/src/win32/dibutils/makefile.msc
index 48b8271b4..dfc1e995f 100644
--- a/src/win32/dibutils/makefile.msc
+++ b/src/win32/dibutils/makefile.msc
@@ -2,7 +2,7 @@
 ### Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
 ###     1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
 ###     2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013,
-###     2014, 2015, 2016, 2017, 2018 Massachusetts Institute of
+###     2014, 2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
 ###     Technology
 ###
 ### This file is part of MIT/GNU Scheme.
diff --git a/src/win32/dibutils/makefile.wcc b/src/win32/dibutils/makefile.wcc
index 70e3bbb97..5ae169a8c 100644
--- a/src/win32/dibutils/makefile.wcc
+++ b/src/win32/dibutils/makefile.wcc
@@ -2,7 +2,7 @@
 ### Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993,
 ###     1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
 ###     2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013,
-###     2014, 2015, 2016, 2017, 2018 Massachusetts Institute of
+###     2014, 2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
 ###     Technology
 ###
 ### This file is part of MIT/GNU Scheme.
diff --git a/src/win32/ffimacro.scm b/src/win32/ffimacro.scm
index 1bb98d7f3..4bf421f6a 100644
--- a/src/win32/ffimacro.scm
+++ b/src/win32/ffimacro.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/win32/graphics.scm b/src/win32/graphics.scm
index c201ebdac..84b2f817b 100644
--- a/src/win32/graphics.scm
+++ b/src/win32/graphics.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/win32/make.scm b/src/win32/make.scm
index 27003e357..457e35879 100644
--- a/src/win32/make.scm
+++ b/src/win32/make.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/win32/module.scm b/src/win32/module.scm
index 23d083293..1304703f5 100644
--- a/src/win32/module.scm
+++ b/src/win32/module.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/win32/protect.scm b/src/win32/protect.scm
index 12d110207..f259b8a56 100644
--- a/src/win32/protect.scm
+++ b/src/win32/protect.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/win32/wf_user.scm b/src/win32/wf_user.scm
index be6b8df4d..58f46ec51 100644
--- a/src/win32/wf_user.scm
+++ b/src/win32/wf_user.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/win32/win32.cbf b/src/win32/win32.cbf
index 7facd986d..0fb9823c9 100644
--- a/src/win32/win32.cbf
+++ b/src/win32/win32.cbf
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/win32/win32.pkg b/src/win32/win32.pkg
index 4ea1492e0..eec460277 100644
--- a/src/win32/win32.pkg
+++ b/src/win32/win32.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/win32/win32.sf b/src/win32/win32.sf
index 46cac8dd4..02bfd36e8 100644
--- a/src/win32/win32.sf
+++ b/src/win32/win32.sf
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/win32/win_ffi.scm b/src/win32/win_ffi.scm
index cc31b6e8f..6472384ef 100644
--- a/src/win32/win_ffi.scm
+++ b/src/win32/win_ffi.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/win32/wingdi.scm b/src/win32/wingdi.scm
index eff78a9ed..33f348e21 100644
--- a/src/win32/wingdi.scm
+++ b/src/win32/wingdi.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/win32/winnt.scm b/src/win32/winnt.scm
index a378bfc11..a0923c094 100644
--- a/src/win32/winnt.scm
+++ b/src/win32/winnt.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/win32/winuser.scm b/src/win32/winuser.scm
index 9a2b37d87..30b9b7331 100644
--- a/src/win32/winuser.scm
+++ b/src/win32/winuser.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/win32/wt_user.scm b/src/win32/wt_user.scm
index 5ddaa519e..d6c9b27a3 100644
--- a/src/win32/wt_user.scm
+++ b/src/win32/wt_user.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/x11-screen/Makefile.am b/src/x11-screen/Makefile.am
index ccaab4ba9..580d77167 100644
--- a/src/x11-screen/Makefile.am
+++ b/src/x11-screen/Makefile.am
@@ -3,7 +3,8 @@
 ## Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 ##     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 ##     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-##     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+##     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+##     Technology
 ##
 ## This file is part of an X11-screen plugin for MIT/GNU Scheme.
 ##
diff --git a/src/x11-screen/NEWS b/src/x11-screen/NEWS
index 6391bec42..2ee5ee4bb 100644
--- a/src/x11-screen/NEWS
+++ b/src/x11-screen/NEWS
@@ -3,7 +3,7 @@ mit-scheme-x11-screen NEWS -- history of user-visible changes.
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an x11-screen plugin for MIT/GNU Scheme.
 
diff --git a/src/x11-screen/compile.scm b/src/x11-screen/compile.scm
index 8bb53f120..ad981b8b9 100644
--- a/src/x11-screen/compile.scm
+++ b/src/x11-screen/compile.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/x11-screen/compile.sh b/src/x11-screen/compile.sh
index 781e5dc91..6b1cf5be7 100755
--- a/src/x11-screen/compile.sh
+++ b/src/x11-screen/compile.sh
@@ -4,7 +4,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of an X11-screen plugin for MIT/GNU Scheme.
 #
diff --git a/src/x11-screen/configure.ac b/src/x11-screen/configure.ac
index b3ac05f66..61d6355bb 100644
--- a/src/x11-screen/configure.ac
+++ b/src/x11-screen/configure.ac
@@ -10,7 +10,7 @@ AC_COPYRIGHT(
 [Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an X11-screen plugin for MIT/GNU Scheme.
 
diff --git a/src/x11-screen/ed-ffi.scm b/src/x11-screen/ed-ffi.scm
index 6263f59b9..4fcde38bf 100644
--- a/src/x11-screen/ed-ffi.scm
+++ b/src/x11-screen/ed-ffi.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an X11-screen plugin for MIT/GNU Scheme.
 
diff --git a/src/x11-screen/x11-command.scm b/src/x11-screen/x11-command.scm
index 8542bbcf8..31394b2df 100644
--- a/src/x11-screen/x11-command.scm
+++ b/src/x11-screen/x11-command.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an X11-screen plugin for MIT/GNU Scheme.
 
diff --git a/src/x11-screen/x11-key.scm b/src/x11-screen/x11-key.scm
index 64270fd2b..a08fec691 100644
--- a/src/x11-screen/x11-key.scm
+++ b/src/x11-screen/x11-key.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an X11-screen plugin for MIT/GNU Scheme.
 
diff --git a/src/x11-screen/x11-screen-test.scm b/src/x11-screen/x11-screen-test.scm
index 4e53765ac..3ba507c76 100644
--- a/src/x11-screen/x11-screen-test.scm
+++ b/src/x11-screen/x11-screen-test.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an X11-screen plugin for MIT/GNU Scheme.
 
diff --git a/src/x11-screen/x11-screen.pkg b/src/x11-screen/x11-screen.pkg
index 96faaa737..5a74ecac8 100644
--- a/src/x11-screen/x11-screen.pkg
+++ b/src/x11-screen/x11-screen.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an X11-screen plugin for MIT/GNU Scheme.
 
diff --git a/src/x11-screen/x11-screen.scm b/src/x11-screen/x11-screen.scm
index 3f5053a45..555f68fce 100644
--- a/src/x11-screen/x11-screen.scm
+++ b/src/x11-screen/x11-screen.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/x11/Makefile.am b/src/x11/Makefile.am
index 7f47e7f7c..80033d4bb 100644
--- a/src/x11/Makefile.am
+++ b/src/x11/Makefile.am
@@ -3,7 +3,8 @@
 ## Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 ##     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 ##     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-##     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+##     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+##     Technology
 ##
 ## This file is part of an x11 plugin for MIT/GNU Scheme.
 ##
diff --git a/src/x11/NEWS b/src/x11/NEWS
index 936b5de76..0ab5a0aff 100644
--- a/src/x11/NEWS
+++ b/src/x11/NEWS
@@ -3,7 +3,7 @@ mit-scheme-x11 NEWS -- history of user-visible changes.
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/x11/compile.scm b/src/x11/compile.scm
index 197e2a759..df87d7fee 100644
--- a/src/x11/compile.scm
+++ b/src/x11/compile.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/x11/compile.sh b/src/x11/compile.sh
index b158101ff..544c0ce06 100755
--- a/src/x11/compile.sh
+++ b/src/x11/compile.sh
@@ -4,7 +4,8 @@
 # Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 #     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 #     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-#     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+#     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+#     Technology
 #
 # This file is part of an x11 plugin for MIT/GNU Scheme.
 #
diff --git a/src/x11/configure.ac b/src/x11/configure.ac
index ab3bdad83..08a312091 100644
--- a/src/x11/configure.ac
+++ b/src/x11/configure.ac
@@ -12,7 +12,7 @@ AC_COPYRIGHT(
 [Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an x11 plugin for MIT/GNU Scheme.
 
diff --git a/src/x11/x11-base.scm b/src/x11/x11-base.scm
index d71f8cd9c..29b4d984b 100644
--- a/src/x11/x11-base.scm
+++ b/src/x11/x11-base.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an x11 plugin for MIT/GNU Scheme.
 
diff --git a/src/x11/x11-color.scm b/src/x11/x11-color.scm
index 08ea03188..2203f466d 100644
--- a/src/x11/x11-color.scm
+++ b/src/x11/x11-color.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an x11 plugin for MIT/GNU Scheme.
 
diff --git a/src/x11/x11-device.scm b/src/x11/x11-device.scm
index d523dbeae..bf5f89241 100644
--- a/src/x11/x11-device.scm
+++ b/src/x11/x11-device.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an x11 plugin for MIT/GNU Scheme.
 
diff --git a/src/x11/x11-graphics.scm b/src/x11/x11-graphics.scm
index 4d2fbd657..c0bd90d78 100644
--- a/src/x11/x11-graphics.scm
+++ b/src/x11/x11-graphics.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an x11 plugin for MIT/GNU Scheme.
 
diff --git a/src/x11/x11-shim.h b/src/x11/x11-shim.h
index 17335a71d..ad08660e6 100644
--- a/src/x11/x11-shim.h
+++ b/src/x11/x11-shim.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an x11 plugin for MIT/GNU Scheme.
 
diff --git a/src/x11/x11-terminal.scm b/src/x11/x11-terminal.scm
index f0434c4a2..4e1c43b51 100644
--- a/src/x11/x11-terminal.scm
+++ b/src/x11/x11-terminal.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an x11 plugin for MIT/GNU Scheme.
 
diff --git a/src/x11/x11-test.scm b/src/x11/x11-test.scm
index 2eae7fdf2..f0cb953db 100644
--- a/src/x11/x11-test.scm
+++ b/src/x11/x11-test.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an x11 plugin for MIT/GNU Scheme.
 
diff --git a/src/x11/x11.cdecl b/src/x11/x11.cdecl
index 60394d976..f8d9928df 100644
--- a/src/x11/x11.cdecl
+++ b/src/x11/x11.cdecl
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an x11 plugin for MIT/GNU Scheme.
 
diff --git a/src/x11/x11.h b/src/x11/x11.h
index 9de53ae95..558877bcd 100644
--- a/src/x11/x11.h
+++ b/src/x11/x11.h
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an x11 plugin for MIT/GNU Scheme.
 
diff --git a/src/x11/x11.pkg b/src/x11/x11.pkg
index c82998671..8bf96db67 100644
--- a/src/x11/x11.pkg
+++ b/src/x11/x11.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an x11 plugin for MIT/GNU Scheme.
 
diff --git a/src/x11/x11.scm b/src/x11/x11.scm
index 65703a4d6..57f52c8c8 100644
--- a/src/x11/x11.scm
+++ b/src/x11/x11.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an x11 plugin for MIT/GNU Scheme.
 
diff --git a/src/x11/x11base.c b/src/x11/x11base.c
index 599ea18f9..87e475f24 100644
--- a/src/x11/x11base.c
+++ b/src/x11/x11base.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an x11 plugin for MIT/GNU Scheme.
 
diff --git a/src/x11/x11color.c b/src/x11/x11color.c
index 21658a9e4..a2ea17c5d 100644
--- a/src/x11/x11color.c
+++ b/src/x11/x11color.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an x11 plugin for MIT/GNU Scheme.
 
diff --git a/src/x11/x11graph.c b/src/x11/x11graph.c
index 444ae3bab..f70bfd3b0 100644
--- a/src/x11/x11graph.c
+++ b/src/x11/x11graph.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an x11 plugin for MIT/GNU Scheme.
 
diff --git a/src/x11/x11term.c b/src/x11/x11term.c
index 7430edff2..dccc0de86 100644
--- a/src/x11/x11term.c
+++ b/src/x11/x11term.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of an x11 plugin for MIT/GNU Scheme.
 
diff --git a/src/xdoc/compile.scm b/src/xdoc/compile.scm
index aa6bbbe05..6149ae3e5 100644
--- a/src/xdoc/compile.scm
+++ b/src/xdoc/compile.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xdoc/db.scm b/src/xdoc/db.scm
index 51db01787..c93ea372e 100644
--- a/src/xdoc/db.scm
+++ b/src/xdoc/db.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xdoc/load.scm b/src/xdoc/load.scm
index 6b546a1e7..bc4af5073 100644
--- a/src/xdoc/load.scm
+++ b/src/xdoc/load.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xdoc/validate-xdoc.scm b/src/xdoc/validate-xdoc.scm
index 93b46a98a..3672a3f26 100644
--- a/src/xdoc/validate-xdoc.scm
+++ b/src/xdoc/validate-xdoc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xdoc/xdoc.pkg b/src/xdoc/xdoc.pkg
index 5b4110b27..8c2558460 100644
--- a/src/xdoc/xdoc.pkg
+++ b/src/xdoc/xdoc.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xdoc/xdoc.scm b/src/xdoc/xdoc.scm
index ff0fca650..39ae99b48 100644
--- a/src/xdoc/xdoc.scm
+++ b/src/xdoc/xdoc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xml/compile.scm b/src/xml/compile.scm
index 93021723b..15e7ba496 100644
--- a/src/xml/compile.scm
+++ b/src/xml/compile.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xml/ed-ffi.scm b/src/xml/ed-ffi.scm
index b5d300252..55c704e37 100644
--- a/src/xml/ed-ffi.scm
+++ b/src/xml/ed-ffi.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xml/load.scm b/src/xml/load.scm
index cff214690..dcde09171 100644
--- a/src/xml/load.scm
+++ b/src/xml/load.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xml/parser-macro.scm b/src/xml/parser-macro.scm
index 6959b71e3..1bb92d249 100644
--- a/src/xml/parser-macro.scm
+++ b/src/xml/parser-macro.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xml/rdf-nt.scm b/src/xml/rdf-nt.scm
index 1c2052b57..bb859d389 100644
--- a/src/xml/rdf-nt.scm
+++ b/src/xml/rdf-nt.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xml/rdf-struct.scm b/src/xml/rdf-struct.scm
index 495e14bd6..87e063681 100644
--- a/src/xml/rdf-struct.scm
+++ b/src/xml/rdf-struct.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xml/turtle.scm b/src/xml/turtle.scm
index cc8950c82..bca8ed601 100644
--- a/src/xml/turtle.scm
+++ b/src/xml/turtle.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xml/xhtml-entities.scm b/src/xml/xhtml-entities.scm
index 41f73b2bc..df5f09ecb 100644
--- a/src/xml/xhtml-entities.scm
+++ b/src/xml/xhtml-entities.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xml/xhtml.scm b/src/xml/xhtml.scm
index d49e8f80e..08a4ad18d 100644
--- a/src/xml/xhtml.scm
+++ b/src/xml/xhtml.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xml/xml-chars.scm b/src/xml/xml-chars.scm
index 8a3fe393d..3c51dca43 100644
--- a/src/xml/xml-chars.scm
+++ b/src/xml/xml-chars.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xml/xml-names.scm b/src/xml/xml-names.scm
index d6fbbf339..4bc348b93 100644
--- a/src/xml/xml-names.scm
+++ b/src/xml/xml-names.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xml/xml-output.scm b/src/xml/xml-output.scm
index 813a34c02..0cd71b8b1 100644
--- a/src/xml/xml-output.scm
+++ b/src/xml/xml-output.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xml/xml-parser.scm b/src/xml/xml-parser.scm
index ade583ec3..b52d475e5 100644
--- a/src/xml/xml-parser.scm
+++ b/src/xml/xml-parser.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xml/xml-rpc.scm b/src/xml/xml-rpc.scm
index 6daaf5b74..cad22ac4f 100644
--- a/src/xml/xml-rpc.scm
+++ b/src/xml/xml-rpc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xml/xml-struct.scm b/src/xml/xml-struct.scm
index ef8a3117d..4b3f9212b 100644
--- a/src/xml/xml-struct.scm
+++ b/src/xml/xml-struct.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xml/xml.pkg b/src/xml/xml.pkg
index 8388176d6..7876ff72a 100644
--- a/src/xml/xml.pkg
+++ b/src/xml/xml.pkg
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/src/xml/xpath.scm b/src/xml/xpath.scm
index ecd621d98..112e8e72b 100644
--- a/src/xml/xpath.scm
+++ b/src/xml/xpath.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/check.scm b/tests/check.scm
index 11e6c1084..d60673269 100644
--- a/tests/check.scm
+++ b/tests/check.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/ffi/Makefile.am b/tests/ffi/Makefile.am
index a0cc7873a..7dd062b60 100644
--- a/tests/ffi/Makefile.am
+++ b/tests/ffi/Makefile.am
@@ -3,7 +3,8 @@
 ## Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
 ##     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
 ##     2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
-##     2015, 2016, 2017, 2018 Massachusetts Institute of Technology
+##     2015, 2016, 2017, 2018, 2019 Massachusetts Institute of
+##     Technology
 ## 
 ## This file is part of MIT/GNU Scheme.
 ## 
diff --git a/tests/ffi/configure.ac b/tests/ffi/configure.ac
index 7155f98d7..f59a92c13 100644
--- a/tests/ffi/configure.ac
+++ b/tests/ffi/configure.ac
@@ -13,7 +13,7 @@ AC_COPYRIGHT(
 [Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
@@ -38,7 +38,7 @@ AH_TOP([/*
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/ffi/ffi-test.c b/tests/ffi/ffi-test.c
index eb81d7dce..361f64452 100644
--- a/tests/ffi/ffi-test.c
+++ b/tests/ffi/ffi-test.c
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/ffi/test-ffi.scm b/tests/ffi/test-ffi.scm
index 8794c1b18..5f9b3f4f1 100644
--- a/tests/ffi/test-ffi.scm
+++ b/tests/ffi/test-ffi.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/load.scm b/tests/load.scm
index 6e5ee713b..5f2044970 100644
--- a/tests/load.scm
+++ b/tests/load.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/microcode/test-chacha.scm b/tests/microcode/test-chacha.scm
index 8323fa266..b761918c6 100644
--- a/tests/microcode/test-chacha.scm
+++ b/tests/microcode/test-chacha.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/microcode/test-flonum-casts.scm b/tests/microcode/test-flonum-casts.scm
index c048f6b64..553d00a77 100644
--- a/tests/microcode/test-flonum-casts.scm
+++ b/tests/microcode/test-flonum-casts.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/microcode/test-keccak.scm b/tests/microcode/test-keccak.scm
index a079e9233..c3300c751 100644
--- a/tests/microcode/test-keccak.scm
+++ b/tests/microcode/test-keccak.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/microcode/test-lookup.scm b/tests/microcode/test-lookup.scm
index 2997fc2fe..05d66a827 100644
--- a/tests/microcode/test-lookup.scm
+++ b/tests/microcode/test-lookup.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-arith.scm b/tests/runtime/test-arith.scm
index b959afd71..b7a52e84c 100644
--- a/tests/runtime/test-arith.scm
+++ b/tests/runtime/test-arith.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-binary-port.scm b/tests/runtime/test-binary-port.scm
index 9a3f7b8c2..5f4e73118 100644
--- a/tests/runtime/test-binary-port.scm
+++ b/tests/runtime/test-binary-port.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-boyer-moore.scm b/tests/runtime/test-boyer-moore.scm
index ff6a15bd5..198b44a79 100644
--- a/tests/runtime/test-boyer-moore.scm
+++ b/tests/runtime/test-boyer-moore.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-bundle.scm b/tests/runtime/test-bundle.scm
index 9ba8cbf3d..0303442f6 100644
--- a/tests/runtime/test-bundle.scm
+++ b/tests/runtime/test-bundle.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-bytevector.scm b/tests/runtime/test-bytevector.scm
index 609d85646..b1f6b7002 100644
--- a/tests/runtime/test-bytevector.scm
+++ b/tests/runtime/test-bytevector.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-char-set.scm b/tests/runtime/test-char-set.scm
index f9cddacc6..888e6b7d8 100644
--- a/tests/runtime/test-char-set.scm
+++ b/tests/runtime/test-char-set.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-char.scm b/tests/runtime/test-char.scm
index 0d6a7f6af..2d1af87ec 100644
--- a/tests/runtime/test-char.scm
+++ b/tests/runtime/test-char.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-compound-predicate.scm b/tests/runtime/test-compound-predicate.scm
index 2d7478a6e..0a1588034 100644
--- a/tests/runtime/test-compound-predicate.scm
+++ b/tests/runtime/test-compound-predicate.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-dragon4.scm b/tests/runtime/test-dragon4.scm
index d019424dc..a9c686ee8 100644
--- a/tests/runtime/test-dragon4.scm
+++ b/tests/runtime/test-dragon4.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-dynamic-env.scm b/tests/runtime/test-dynamic-env.scm
index 7af5d1946..672cd337a 100644
--- a/tests/runtime/test-dynamic-env.scm
+++ b/tests/runtime/test-dynamic-env.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-entity.scm b/tests/runtime/test-entity.scm
index e96073771..1b4d23ec5 100644
--- a/tests/runtime/test-entity.scm
+++ b/tests/runtime/test-entity.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-ephemeron.scm b/tests/runtime/test-ephemeron.scm
index 674f8ba32..d2ca7092c 100644
--- a/tests/runtime/test-ephemeron.scm
+++ b/tests/runtime/test-ephemeron.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-file-attributes.scm b/tests/runtime/test-file-attributes.scm
index a942a83bd..2522eb7ce 100644
--- a/tests/runtime/test-file-attributes.scm
+++ b/tests/runtime/test-file-attributes.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-floenv.scm b/tests/runtime/test-floenv.scm
index b0cd62e8c..ea7104cd5 100644
--- a/tests/runtime/test-floenv.scm
+++ b/tests/runtime/test-floenv.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-hash-table.scm b/tests/runtime/test-hash-table.scm
index 0dedcbcd0..c3a51a87f 100644
--- a/tests/runtime/test-hash-table.scm
+++ b/tests/runtime/test-hash-table.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-integer-bits.scm b/tests/runtime/test-integer-bits.scm
index ef2bcbd15..007ed38bd 100644
--- a/tests/runtime/test-integer-bits.scm
+++ b/tests/runtime/test-integer-bits.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-library-data/support-code.scm b/tests/runtime/test-library-data/support-code.scm
index c647bafb1..759176115 100644
--- a/tests/runtime/test-library-data/support-code.scm
+++ b/tests/runtime/test-library-data/support-code.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-library-imports.scm b/tests/runtime/test-library-imports.scm
index f9331152b..ce95c99b7 100644
--- a/tests/runtime/test-library-imports.scm
+++ b/tests/runtime/test-library-imports.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-library-loader.scm b/tests/runtime/test-library-loader.scm
index 19a285a4c..3babb6765 100644
--- a/tests/runtime/test-library-loader.scm
+++ b/tests/runtime/test-library-loader.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-library-parser.scm b/tests/runtime/test-library-parser.scm
index 3f7d5b94e..d50127a28 100644
--- a/tests/runtime/test-library-parser.scm
+++ b/tests/runtime/test-library-parser.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-library-standard.scm b/tests/runtime/test-library-standard.scm
index f9fb3316c..3171bfdc8 100644
--- a/tests/runtime/test-library-standard.scm
+++ b/tests/runtime/test-library-standard.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-md5.scm b/tests/runtime/test-md5.scm
index 5b9e2871b..e9eaf28ca 100644
--- a/tests/runtime/test-md5.scm
+++ b/tests/runtime/test-md5.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-mime-codec.scm b/tests/runtime/test-mime-codec.scm
index 081391e75..76320d119 100644
--- a/tests/runtime/test-mime-codec.scm
+++ b/tests/runtime/test-mime-codec.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-parametric-predicate.scm b/tests/runtime/test-parametric-predicate.scm
index 45cc66b12..d0730e4ef 100644
--- a/tests/runtime/test-parametric-predicate.scm
+++ b/tests/runtime/test-parametric-predicate.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-predicate-dispatch.scm b/tests/runtime/test-predicate-dispatch.scm
index 0ff933bca..0a8d5cca1 100644
--- a/tests/runtime/test-predicate-dispatch.scm
+++ b/tests/runtime/test-predicate-dispatch.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-predicate.scm b/tests/runtime/test-predicate.scm
index 6be0c67e4..52e36db07 100644
--- a/tests/runtime/test-predicate.scm
+++ b/tests/runtime/test-predicate.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-process.scm b/tests/runtime/test-process.scm
index e0ab407c8..1d73dd339 100644
--- a/tests/runtime/test-process.scm
+++ b/tests/runtime/test-process.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-random.scm b/tests/runtime/test-random.scm
index 6a729744d..4d7b5cebb 100644
--- a/tests/runtime/test-random.scm
+++ b/tests/runtime/test-random.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-readwrite.scm b/tests/runtime/test-readwrite.scm
index 48b06b353..b68dabdf4 100644
--- a/tests/runtime/test-readwrite.scm
+++ b/tests/runtime/test-readwrite.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-regsexp.scm b/tests/runtime/test-regsexp.scm
index 0e3671ffa..b459f4732 100644
--- a/tests/runtime/test-regsexp.scm
+++ b/tests/runtime/test-regsexp.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-rgxcmp.scm b/tests/runtime/test-rgxcmp.scm
index 9d8a77f88..7fa262531 100644
--- a/tests/runtime/test-rgxcmp.scm
+++ b/tests/runtime/test-rgxcmp.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-sha3.scm b/tests/runtime/test-sha3.scm
index 48d916d04..6c92ef5cc 100644
--- a/tests/runtime/test-sha3.scm
+++ b/tests/runtime/test-sha3.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-srfi-1.scm b/tests/runtime/test-srfi-1.scm
index 8d8cbe0a0..a7d261874 100644
--- a/tests/runtime/test-srfi-1.scm
+++ b/tests/runtime/test-srfi-1.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-stream.scm b/tests/runtime/test-stream.scm
index 0dbdb82fb..d8a3c2f5e 100644
--- a/tests/runtime/test-stream.scm
+++ b/tests/runtime/test-stream.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-string-copy.scm b/tests/runtime/test-string-copy.scm
index 3d6d7ca17..2d92d4e19 100644
--- a/tests/runtime/test-string-copy.scm
+++ b/tests/runtime/test-string-copy.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-string-normalization.scm b/tests/runtime/test-string-normalization.scm
index fbff0352c..f4e2a8576 100644
--- a/tests/runtime/test-string-normalization.scm
+++ b/tests/runtime/test-string-normalization.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-string-search-data b/tests/runtime/test-string-search-data
index e7b9595d3..b61ba9b8d 100644
--- a/tests/runtime/test-string-search-data
+++ b/tests/runtime/test-string-search-data
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-string-search.scm b/tests/runtime/test-string-search.scm
index 741655b19..a40d57589 100644
--- a/tests/runtime/test-string-search.scm
+++ b/tests/runtime/test-string-search.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-string.scm b/tests/runtime/test-string.scm
index 453a46bc4..2d4035967 100644
--- a/tests/runtime/test-string.scm
+++ b/tests/runtime/test-string.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-syncproc.scm b/tests/runtime/test-syncproc.scm
index 091b27688..6e1b87bb9 100644
--- a/tests/runtime/test-syncproc.scm
+++ b/tests/runtime/test-syncproc.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-syntax-rename.scm b/tests/runtime/test-syntax-rename.scm
index 16ce2f2a0..f6da9dfb8 100644
--- a/tests/runtime/test-syntax-rename.scm
+++ b/tests/runtime/test-syntax-rename.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-thread-queue.scm b/tests/runtime/test-thread-queue.scm
index 09ddc603f..e0fd7f6fb 100644
--- a/tests/runtime/test-thread-queue.scm
+++ b/tests/runtime/test-thread-queue.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-url.scm b/tests/runtime/test-url.scm
index ab4709208..f468fbb10 100644
--- a/tests/runtime/test-url.scm
+++ b/tests/runtime/test-url.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/runtime/test-wttree.scm b/tests/runtime/test-wttree.scm
index 1c4fd81f3..f8a1b5af0 100644
--- a/tests/runtime/test-wttree.scm
+++ b/tests/runtime/test-wttree.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/sos/test-genmult.scm b/tests/sos/test-genmult.scm
index ede46ac94..3efc90644 100644
--- a/tests/sos/test-genmult.scm
+++ b/tests/sos/test-genmult.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/star-parser/test-parser.scm b/tests/star-parser/test-parser.scm
index 080c6d6f1..ebc2ec474 100644
--- a/tests/star-parser/test-parser.scm
+++ b/tests/star-parser/test-parser.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/unit-testing.scm b/tests/unit-testing.scm
index 79cc5c0ba..a3d606bd8 100644
--- a/tests/unit-testing.scm
+++ b/tests/unit-testing.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/xml/test-parser.scm b/tests/xml/test-parser.scm
index dc9259397..399609e5c 100644
--- a/tests/xml/test-parser.scm
+++ b/tests/xml/test-parser.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.
 
diff --git a/tests/xml/test-turtle.scm b/tests/xml/test-turtle.scm
index b2dac76a7..88ccbb42b 100644
--- a/tests/xml/test-turtle.scm
+++ b/tests/xml/test-turtle.scm
@@ -3,7 +3,7 @@
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
-    2017, 2018 Massachusetts Institute of Technology
+    2017, 2018, 2019 Massachusetts Institute of Technology
 
 This file is part of MIT/GNU Scheme.