Merge from emacs-23 branch, up to 2010-05-20T22:16:19Z!juri@jurta.org.

[bpt/emacs.git] / lisp / time.el

diff --git a/lisp/time.el b/lisp/time.el
index d512fae..5f2e875 100644 (file)
--- a/lisp/time.el
+++ b/lisp/time.el
@@ -1,7 +1,7 @@
 ;;; time.el --- display time, load and mail indicator in mode line of Emacs -*-coding: utf-8 -*-
 
 ;; Copyright (C) 1985, 1986, 1987, 1993, 1994, 1996, 2000, 2001, 2002,
-;;   2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+;;   2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
 
 ;; Maintainer: FSF
 
@@ -454,15 +454,18 @@ update which can wait for the next redisplay."
   (force-mode-line-update))
 
 (defun display-time-file-nonempty-p (file)
-  (and (file-exists-p file)
-       (< 0 (nth 7 (file-attributes (file-chase-links file))))))
+  (let ((remote-file-name-inhibit-cache (- display-time-interval 5)))
+    (and (file-exists-p file)
+        (< 0 (nth 7 (file-attributes (file-chase-links file)))))))
 
 ;;;###autoload
 (define-minor-mode display-time-mode
   "Toggle display of time, load level, and mail flag in mode lines.
 With a numeric arg, enable this display if arg is positive.
 
-When this display is enabled, it updates automatically every minute.
+When this display is enabled, it updates automatically every minute
+\(you can control the number of seconds between updates by
+customizing `display-time-interval').
 If `display-time-day-and-date' is non-nil, the current day and date
 are displayed as well.
 This runs the normal hook `display-time-hook' after each update."
@@ -573,5 +576,4 @@ For example, the Unix uptime command format is \"%D, %z%2h:%.2m\"."
 
 (provide 'time)
 
-;; arch-tag: b9c1623f-b5cb-48e4-b650-482a4d23c5a6
 ;;; time.el ends here