From: Luc Teirlinck <teirllm@auburn.edu>
Date: Thu, 16 Jun 2005 20:14:24 +0000 (+0000)
Subject: (Timers): Timers should save and restore the match data if they change it.
X-Git-Tag: emacs-pretest-22.0.90~8858
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=df05ea85bc23f1ad4ed6ab03738f12aa0df4001a;p=emacs.git

(Timers): Timers should save and restore the match data if they change it.
---

diff --git a/lispref/os.texi b/lispref/os.texi
index a1de8f09c36..e0c032f3e95 100644
--- a/lispref/os.texi
+++ b/lispref/os.texi
@@ -1375,6 +1375,9 @@ both before and after changing the buffer, to separate the timer's
 changes from user commands' changes and prevent a single undo entry
 from growing to be quite large.
 
+  If a timer function calls functions that can change the match data,
+it should save and restore the match data.  @xref{Saving Match Data}.
+
 @deffn Command run-at-time time repeat function &rest args
 This sets up a timer that calls the function @var{function} with
 arguments @var{args} at time @var{time}.  If @var{repeat} is a number