Fix think-o in M-x rmail-reply.

diff --git a/v7/src/edwin/rmail.scm b/v7/src/edwin/rmail.scm
index 00c027b6657cf456608a5b8ca3f3c9bc0a052a9e..472ef833d3ead89d32c5d43a7bed5510c7f81e9a 100644 (file)
--- a/v7/src/edwin/rmail.scm
+++ b/v7/src/edwin/rmail.scm
@@ -1,6 +1,6 @@
 ;;; -*-Scheme-*-
 ;;;
-;;;    $Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/edwin/rmail.scm,v 1.4 1991/05/15 19:10:11 cph Exp $
+;;;    $Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/edwin/rmail.scm,v 1.5 1991/05/16 17:47:23 hal Exp $
 ;;;
 ;;;    Copyright (c) 1991 Massachusetts Institute of Technology
 ;;;
@@ -888,7 +888,7 @@ original message into it."
                        (or (and resent-reply-to
                                 (fetch-last-field "resent-subject" start end))
                            (fetch-first-field "subject" start end))))
-                  (if (string-prefix-ci? "re: " subject)
+                  (if (and subject (string-prefix-ci? "re: " subject))
                       (string-tail subject 4)
                       subject))
                 (if resent-reply-to