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authorMiles Bader <miles@gnu.org>2007-07-09 08:00:55 +0000
committerMiles Bader <miles@gnu.org>2007-07-09 08:00:55 +0000
commit1011c48763982d02797a7058556d29f639f6efca (patch)
tree5f1b7529b4cc483b73475b89245633c5848b8a5e /lisp/ruler-mode.el
parent6f06dac7b57b8d73f4b26a855cd9862630192029 (diff)
parent69e4c7c4bacf19e9e004605fcb1c067e478beffe (diff)
downloademacs-1011c48763982d02797a7058556d29f639f6efca.tar.gz
Merge from emacs--devo--0
Patches applied: * emacs--devo--0 (patch 803-805) - Update from CVS Revision: emacs@sv.gnu.org/emacs--unicode--0--patch-227
Diffstat (limited to 'lisp/ruler-mode.el')
-rw-r--r--lisp/ruler-mode.el5
1 files changed, 3 insertions, 2 deletions
diff --git a/lisp/ruler-mode.el b/lisp/ruler-mode.el
index 037638e8d43..4438cb7e30b 100644
--- a/lisp/ruler-mode.el
+++ b/lisp/ruler-mode.el
@@ -29,7 +29,7 @@
;;; 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 +561,8 @@ 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)