message.el (message-cite-prefix-regexp): Fix wrong change I did when merging Gnus...

[gnus] / lisp / message.el

diff --git a/lisp/message.el b/lisp/message.el
index 2198702..40c4577 100644 (file)
--- a/lisp/message.el
+++ b/lisp/message.el
@@ -622,23 +622,29 @@ Done before generating the new subject of a forward."
   :type 'regexp)
 
 (defcustom message-cite-prefix-regexp
-  (if (string-match "[[:digit:]]" "1")
-      ;; Support POSIX?  XEmacs 21.5.27 doesn't.
-      "\\([ \t]*[_.[:word:]]+>+\\|[ \t]*[]>|}]\\)+"
-    ;; ?-, ?_ or ?. MUST NOT be in syntax entry w.
-    (let (non-word-constituents)
-      (with-syntax-table text-mode-syntax-table
-       (setq non-word-constituents
-             (concat
-              (if (string-match "\\w" "_")  "" "_")
-              (if (string-match "\\w" ".")  "" "."))))
-      (if (equal non-word-constituents "")
-         "\\([ \t]*\\(\\w\\)+>+\\|[ \t]*[]>|}]\\)+"
-       (concat "\\([ \t]*\\(\\w\\|["
-               non-word-constituents
-               "]\\)+>+\\|[ \t]*[]>|}]\\)+"))))
+  ;; Default to the value of `mail-citation-prefix-regexp' if available.
+  ;; Note: as for XEmacs 21.4 and 21.5, it is unavailable unless sendmail.el
+  ;; is loaded.
+  (cond ((boundp 'mail-citation-prefix-regexp)
+        mail-citation-prefix-regexp)
+       ((string-match "[[:digit:]]" "1")
+        ;; Support POSIX?  XEmacs 21.5.27 doesn't.
+        "\\([ \t]*[_.[:word:]]+>+\\|[ \t]*[]>|}]\\)+")
+       (t
+        ;; ?-, ?_ or ?. MUST NOT be in syntax entry w.
+        (let (non-word-constituents)
+          (with-syntax-table text-mode-syntax-table
+            (setq non-word-constituents
+                  (concat
+                   (if (string-match "\\w" "_")  "" "_")
+                   (if (string-match "\\w" ".")  "" "."))))
+          (if (equal non-word-constituents "")
+              "\\([ \t]*\\(\\w\\)+>+\\|[ \t]*[]>|}]\\)+"
+            (concat "\\([ \t]*\\(\\w\\|["
+                    non-word-constituents
+                    "]\\)+>+\\|[ \t]*[]>|}]\\)+")))))
   "*Regexp matching the longest possible citation prefix on a line."
-  :version "23.2"
+  :version "24.1"
   :group 'message-insertion
   :link '(custom-manual "(message)Insertion Variables")
   :type 'regexp
@@ -1699,13 +1705,14 @@ functionality to work."
                 (const :tag "Never" nil)
                 (const :tag "Always" t)))
 
-(defcustom message-generate-hashcash (if (executable-find "hashcash") t)
+(defcustom message-generate-hashcash (if (executable-find "hashcash") 'opportunistic)
   "*Whether to generate X-Hashcash: headers.
 If t, always generate hashcash headers.  If `opportunistic',
 only generate hashcash headers if it can be done without the user
 waiting (i.e., only asynchronously).
 
 You must have the \"hashcash\" binary installed, see `hashcash-path'."
+  :version "24.1"
   :group 'message-headers
   :link '(custom-manual "(message)Mail Headers")
   :type '(choice (const :tag "Always" t)
@@ -5321,8 +5328,14 @@ Otherwise, generate and save a value for `canlock-password' first."
 
 (defun message-output (filename)
   "Append this article to Unix/babyl mail file FILENAME."
-  (if (and (file-readable-p filename)
-          (mail-file-babyl-p filename))
+  (if (or (and (file-readable-p filename)
+              (mail-file-babyl-p filename))
+         ;; gnus-output-to-mail does the wrong thing with live, mbox
+         ;; Rmail buffers in Emacs 23.
+         ;; http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=597255
+         (let ((buff (find-buffer-visiting filename)))
+           (and buff (with-current-buffer buff
+                       (eq major-mode 'rmail-mode)))))
       (gnus-output-to-rmail filename t)
     (gnus-output-to-mail filename t)))