* files.el (parse-colon-path): Return nil for empty path elements.

[gnu-emacs] / lisp / ruler-mode.el

diff --git a/lisp/ruler-mode.el b/lisp/ruler-mode.el
index 533a42838b64e1d101ed5195e39d4283d59744dd..9a8bb8e82ea6500d66c43dfce48b9b8196a5760c 100644 (file)
--- a/lisp/ruler-mode.el
+++ b/lisp/ruler-mode.el
@@ -1,7 +1,6 @@
 ;;; ruler-mode.el --- display a ruler in the header line
 
-;; Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007,
-;;   2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+;; Copyright (C) 2001-2012 Free Software Foundation, Inc.
 
 ;; Author: David Ponce <david@dponce.com>
 ;; Maintainer: David Ponce <david@dponce.com>
@@ -568,8 +567,10 @@ format first."
 
 ;;;###autoload
 (define-minor-mode ruler-mode
-  "Toggle Ruler mode.
-In Ruler mode, Emacs displays a ruler in the header line."
+  "Toggle display of ruler in header line (Ruler mode).
+With a prefix argument ARG, enable Ruler mode if ARG is positive,
+and disable it otherwise.  If called from Lisp, enable the mode
+if ARG is omitted or nil."
   nil nil
   ruler-mode-map
   :group 'ruler-mode