Guarantee that ERROR-DECISION aborts the REPL in all cases.

diff --git a/v7/src/edwin/intmod.scm b/v7/src/edwin/intmod.scm
index 4ba247937bc4e679d239e9acc974cfcd098a7b37..daadd3e8a85578b2603535268565aeec61691a55 100644 (file)
--- a/v7/src/edwin/intmod.scm
+++ b/v7/src/edwin/intmod.scm
@@ -1,6 +1,6 @@
 ;;; -*-Scheme-*-
 ;;;
-;;;    $Id: intmod.scm,v 1.76 1993/10/27 23:29:11 cph Exp $
+;;;    $Id: intmod.scm,v 1.77 1993/11/02 22:19:34 cph Exp $
 ;;;
 ;;;    Copyright (c) 1986, 1989-93 Massachusetts Institute of Technology
 ;;;
@@ -299,27 +299,30 @@ REPL uses current evaluation environment."
                                 " buffer")
                        (editor-beep)))
                  #t))
-             (let loop ()
-               (fresh-line port)
-               (write-string
-                ";Type D to debug error, Q to quit back to REP loop: "
-                port)
-               (let ((char (read-command-char port (cmdl/level repl))))
-                 (write-char char port)
-                 (cond ((char-ci=? char #\d)
-                        (fresh-line port)
-                        (write-string ";Starting debugger..." port)
-                        (enqueue-output-operation! port
-                          (lambda (mark transcript?)
-                            mark
-                            (if (not transcript?)
-                                (start-continuation-browser port
-                                                            condition))
-                            #t)))
-                       ((not (char-ci=? char #\q))
-                        (beep port)
-                        (loop)))))
-             (cmdl-interrupt/abort-top-level))))))
+             (dynamic-wind
+              (lambda () unspecific)
+              (lambda ()
+                (let loop ()
+                  (fresh-line port)
+                  (write-string
+                   ";Type D to debug error, Q to quit back to REP loop: "
+                   port)
+                  (let ((char (read-command-char port (cmdl/level repl))))
+                    (write-char char port)
+                    (cond ((char-ci=? char #\d)
+                           (fresh-line port)
+                           (write-string ";Starting debugger..." port)
+                           (enqueue-output-operation! port
+                             (lambda (mark transcript?)
+                               mark
+                               (if (not transcript?)
+                                   (start-continuation-browser port
+                                                               condition))
+                               #t)))
+                          ((not (char-ci=? char #\q))
+                           (beep port)
+                           (loop))))))
+              cmdl-interrupt/abort-top-level))))))
 \f
 ;;;; Modes