(define-mail-alias): Handle backslash-quoting

within "-strings in DEFINITION if it comes from .mailrc.

1 files changed, 18 insertions, 6 deletions

diff --git a/lisp/mail/mailalias.el b/lisp/mail/mailalias.el
index c0bb580fcaf..20d6004b4e2 100644
--- a/lisp/mail/mailalias.el
+++ b/lisp/mail/mailalias.el
@@ -317,21 +317,33 @@ if it is quoted with double-quotes."
         ;; If DEFINITION is null string, avoid looping even once.
         (start (and (not (equal definition "")) 0))
         (L (length definition))
+        convert-backslash
         end tem)
     (while start
+      (setq convert-backslash nil)
       ;; If we're reading from the mailrc file, then addresses are delimited
       ;; by spaces, and addresses with embedded spaces must be surrounded by
       ;; double-quotes.  Otherwise, addresses are separated by commas.
       (if from-mailrc-file
           (if (eq ?\" (aref definition start))
-              (setq start (1+ start)
-                    end (string-match "\"[ \t,]*" definition start))
+              (progn (string-match "[^\\]\\(\\([\\][\\]\\)*\\)\"[ \t,]*" definition start)
+                     (setq start (1+ start)
+                           end (match-end 1)
+                           convert-backslash t))
             (setq end (string-match "[ \t,]+" definition start)))
         (setq end (string-match "[ \t\n,]*,[ \t\n,]*" definition start)))
-      (setq result (cons (substring definition start end) result))
-      (setq start (and end
-                       (/= (match-end 0) L)
-                       (match-end 0))))
+      (let ((temp (substring definition start end))
+            (pos 0))
+        (setq start (and end
+                         (/= (match-end 0) L)
+                         (match-end 0)))
+        (if convert-backslash
+            (while (string-match "[\\]" temp pos)
+              (setq temp (replace-match "" t t temp))
+              (if start 
+                  (setq start (1- start)))
+              (setq pos (match-end 0))))
+        (setq result (cons temp result))))
     (setq definition (mapconcat (function identity)
                                 (nreverse result)
                                 ", "))