gnus-msg.el (gnus-msg-mail): Use `message-mail' if Gnus isn't running.

lisp/gnus/ChangeLog

 2012-02-09  Lars Ingebrigtsen  <larsi@gnus.org>
+	* gnus-msg.el (gnus-msg-mail): Use `message-mail' if Gnus isn't
+	running.
+
 	* nnimap.el (nnimap-wait-for-response): Minor fixup of message string.
 	* gnus.el (gnus-server-extend-method): Don't add an -address component

lisp/gnus/gnus-msg.el

@@ -478,22 +478,26 @@ Thank you for your help in stamping out bugs.
 
 ;;;###autoload
 (defun gnus-msg-mail (&optional to subject other-headers continue
-		      switch-action yank-action send-actions return-action)
+				switch-action yank-action send-actions return-action)
   "Start editing a mail message to be sent.
 Like `message-mail', but with Gnus paraphernalia, particularly the
-Gcc: header for archiving purposes."
+Gcc: header for archiving purposes.
+If Gnus isn't running, a plain `message-mail' setup is used
+instead."
   (interactive)
-  (let ((buf (current-buffer))
-	mail-buf)
-    (gnus-setup-message 'message
-      (message-mail to subject other-headers continue
-		    nil yank-action send-actions return-action))
-    (when switch-action
-      (setq mail-buf (current-buffer))
-      (switch-to-buffer buf)
-      (apply switch-action mail-buf nil)))
-  ;; COMPOSEFUNC should return t if succeed.  Undocumented ???
-  t)
+  (if (not (gnus-alive-p))
+      (message-mail)
+    (let ((buf (current-buffer))
+	  mail-buf)
+      (gnus-setup-message 'message
+	(message-mail to subject other-headers continue
+		      nil yank-action send-actions return-action))
+      (when switch-action
+	(setq mail-buf (current-buffer))
+	(switch-to-buffer buf)
+	(apply switch-action mail-buf nil))
+      ;; COMPOSEFUNC should return t if succeed.  Undocumented ???
+      t)))
 
 ;;;###autoload
 (defun gnus-button-mailto (address)