*** empty log message ***

[bpt/emacs.git] / lisp / ruler-mode.el

diff --git a/lisp/ruler-mode.el b/lisp/ruler-mode.el
index 037638e..7c6d50a 100644 (file)
--- a/lisp/ruler-mode.el
+++ b/lisp/ruler-mode.el
@@ -1,7 +1,7 @@
 ;;; ruler-mode.el --- display a ruler in the header line
 
-;; Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006,
-;;   2007 Free Software Foundation, Inc.
+;; Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007,
+;;   2008 Free Software Foundation, Inc.
 
 ;; Author: David Ponce <david@dponce.com>
 ;; Maintainer: David Ponce <david@dponce.com>
@@ -11,25 +11,23 @@
 
 ;; This file is part of GNU Emacs.
 
-;; This program is free software; you can redistribute it and/or
-;; modify it under the terms of the GNU General Public License as
-;; published by the Free Software Foundation; either version 2, or (at
-;; your option) any later version.
+;; GNU Emacs is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
 
-;; This program is distributed in the hope that it will be useful, but
-;; WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-;; General Public License for more details.
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
 
 ;; You should have received a copy of the GNU General Public License
-;; along with this program; see the file COPYING.  If not, write to
-;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
 
 ;;; Commentary:
 
 ;; This library provides a minor mode to display a ruler in the header
-;; line.  It works only on Emacs 21.
+;; line.  It works from Emacs 21 onwards.
 ;;
 ;; You can use the mouse to change the `fill-column' `comment-column',
 ;; `goal-column', `window-margins' and `tab-stop-list' settings:
@@ -561,7 +559,8 @@ Call `ruler-mode-ruler-function' to compute the ruler value.")
       (progn
         ;; When `ruler-mode' is on save previous header line format
         ;; and install the ruler header line format.
-        (when (local-variable-p 'header-line-format)
+        (when (and (local-variable-p 'header-line-format)
+                  (not (local-variable-p 'ruler-mode-header-line-format-old)))
           (set (make-local-variable 'ruler-mode-header-line-format-old)
                header-line-format))
         (setq header-line-format ruler-mode-header-line-format)
@@ -762,5 +761,5 @@ Optional argument PROPS specifies other text properties to apply."
 ;; coding: iso-latin-1
 ;; End:
 
-;;; arch-tag: b2f24546-5605-44c4-b67b-c9a4eeba3ee8
+;; arch-tag: b2f24546-5605-44c4-b67b-c9a4eeba3ee8
 ;;; ruler-mode.el ends here