X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/76550a57f934a39f067da196e94b10797efca240..ff98122692e5f21e3dd91d2513c7b1897b6e7ac9:/lisp/mail/rmailmsc.el

diff --git a/lisp/mail/rmailmsc.el b/lisp/mail/rmailmsc.el
index 0f85070863..7a0871f141 100644
--- a/lisp/mail/rmailmsc.el
+++ b/lisp/mail/rmailmsc.el
@@ -18,16 +18,24 @@
 ;; GNU General Public License for more details.
 
 ;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING.  If not, write to
-;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; along with GNU Emacs; see the file COPYING.  If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Commentary:
 
 ;;; Code:
 
+;;;###autoload
 (defun set-rmail-inbox-list (file-name)
   "Set the inbox list of the current RMAIL file to FILE-NAME.
-This may be a list of file names separated by commas.
-If FILE-NAME is empty, remove any inbox list."
+You can specify one file name, or several names separated by commas.
+If FILE-NAME is empty, remove any existing inbox list."
   (interactive "sSet mailbox list to (comma-separated list of filenames): ")
+
+  (unless (eq major-mode 'rmail-mode)
+    (error "set-rmail-inbox-list works only for an Rmail file"))
+
   (save-excursion
     (let ((names (rmail-parse-file-inboxes))
 	  (standard-output nil))
@@ -46,7 +54,7 @@ If FILE-NAME is empty, remove any inbox list."
 			       (progn (forward-line 1)
 				      (point))))
 	    (if (not (string= file-name ""))
-		(insert "Mail: " file-name "\n"))))))
+		(insert-before-markers "Mail: " file-name "\n"))))))
   (setq rmail-inbox-list (rmail-parse-file-inboxes))
   (rmail-show-message rmail-current-message))