From 176ebba1e547594ce219719ef67993a478bbd9d8 Mon Sep 17 00:00:00 2001
From: Chris Hanson <org/chris-hanson/cph>
Date: Sat, 26 Jul 2008 22:51:29 +0000
Subject: [PATCH] Export STRING-IS-MIME-TOKEN? and STRING-IS-MIME-TYPE?, and
 add substring args to them.

---
 v7/src/runtime/runtime.pkg |  6 ++++--
 v7/src/runtime/sfile.scm   | 16 +++++++++-------
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/v7/src/runtime/runtime.pkg b/v7/src/runtime/runtime.pkg
index 749b04b1e..d1e994671 100644
--- a/v7/src/runtime/runtime.pkg
+++ b/v7/src/runtime/runtime.pkg
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Id: runtime.pkg,v 14.652 2008/07/26 05:45:35 cph Exp $
+$Id: runtime.pkg,v 14.653 2008/07/26 22:51:15 cph Exp $
 
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
@@ -484,7 +484,9 @@ USA.
 	  pathname-type->mime-type
 	  rename-file
 	  soft-link-file
-	  string->mime-type)
+	  string->mime-type
+	  string-is-mime-token?
+	  string-is-mime-type?)
   (initialization (initialize-package!)))
 
 (define-package (runtime symbol)
diff --git a/v7/src/runtime/sfile.scm b/v7/src/runtime/sfile.scm
index c71c26f12..ce9526d7b 100644
--- a/v7/src/runtime/sfile.scm
+++ b/v7/src/runtime/sfile.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Id: sfile.scm,v 14.43 2008/01/30 20:02:35 cph Exp $
+$Id: sfile.scm,v 14.44 2008/07/26 22:51:29 cph Exp $
 
 Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
     1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
@@ -344,9 +344,10 @@ USA.
   (and (string? object)
        (string-is-mime-type? object)))
 
-(define (string-is-mime-type? string)
-  (let ((end (string-length string)))
-    (let ((i (check-mime-token-syntax string 0 end)))
+(define (string-is-mime-type? string #!optional start end)
+  (let ((start (if (default-object? start) 0 start))
+	(end (if (default-object? end) (string-length string) end)))
+    (let ((i (check-mime-token-syntax string start end)))
       (and (fix:> i 0)
 	   (fix:< i end)
 	   (char=? (string-ref string i) #\/)
@@ -362,9 +363,10 @@ USA.
   (and (string? object)
        (string-is-mime-token? object)))
 
-(define (string-is-mime-token? string)
-  (let ((end (string-length string)))
-    (fix:= end (check-mime-token-syntax string 0 end))))
+(define (string-is-mime-token? string #!optional start end)
+  (let ((start (if (default-object? start) 0 start))
+	(end (if (default-object? end) (string-length string) end)))
+    (fix:= end (check-mime-token-syntax string start end))))
 
 (define (check-mime-token-syntax string start end)
   (let loop ((i start))
-- 
2.25.1