Import Gnus v5.10.5.

[elisp/gnus.git-] / lisp / message.el

diff --git a/lisp/message.el b/lisp/message.el
index 3bf6a6c..4697efa 100644 (file)
--- a/lisp/message.el
+++ b/lisp/message.el
@@ -1,5 +1,5 @@
 ;;; message.el --- composing mail and news messages
-;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
 ;;        Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
@@ -2673,17 +2673,23 @@ prefix FORCE is given."
                   (message-get-reply-headers t))))
     (message-carefully-insert-headers headers)))
 
-(defvar message-header-synonyms
+(defcustom message-header-synonyms
   '((To Cc Bcc))
   "List of lists of header synonyms.
 E.g., if this list contains a member list with elements `Cc' and `To',
 then `message-carefully-insert-headers' will not insert a `To' header
-when the message is already `Cc'ed to the recipient.")
+when the message is already `Cc'ed to the recipient."
+  :group 'message-headers
+  :link '(custom-manual "(message)Message Headers")
+  :type '(repeat sexp))
 
 (defun message-carefully-insert-headers (headers)
   "Insert the HEADERS, an alist, into the message buffer.
 Does not insert the headers when they are already present there
 or in the synonym headers, defined by `message-header-synonyms'."
+  ;; FIXME: Should compare only the address and not the full name.  Comparison
+  ;; should be done case-folded (and with `string=' rather than
+  ;; `string-match').
   (dolist (header headers)
     (let* ((header-name (symbol-name (car header)))
            (new-header (cdr header))
@@ -5584,7 +5590,13 @@ OTHER-HEADERS is an alist of header/value pairs."
     ;; Find all relevant headers we need.
     (save-restriction
       (message-narrow-to-headers-or-head)
-      (setq to (message-fetch-field "to")
+      ;; Gmane renames "To".  Look at "Original-To", too, if it is present in
+      ;; message-header-synonyms.
+      (setq to (or (message-fetch-field "to")
+                  (and (loop for synonym in message-header-synonyms
+                             when (memq 'Original-To synonym)
+                             return t)
+                       (message-fetch-field "original-to")))
            cc (message-fetch-field "cc")
            mct (message-fetch-field "mail-copies-to")
            author (or (message-fetch-field "mail-reply-to")