From f4103aec45930a9daf55960f5f81c778be3d83c5 Mon Sep 17 00:00:00 2001
From: Stefan Monnier <monnier@iro.umontreal.ca>
Date: Tue, 13 May 2003 20:59:15 +0000
Subject: [PATCH] (autoconf-current-defun-function): Copy the syntax table
 before modifying it.

---
 lisp/progmodes/autoconf.el | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lisp/progmodes/autoconf.el b/lisp/progmodes/autoconf.el
index 51e23980ff8..a2a2b63a85a 100644
--- a/lisp/progmodes/autoconf.el
+++ b/lisp/progmodes/autoconf.el
@@ -4,7 +4,7 @@
 
 ;; Author: Dave Love <fx@gnu.org>
 ;; Keywords: languages
-;; $Revision: 1.2 $
+;; $Revision: 1.3 $
 
 ;; This file is part of GNU Emacs.
 
@@ -73,7 +73,7 @@
 This version looks back for an AC_DEFINE or AC_SUBST.  It will stop
 searching backwards at another AC_... command."
   (save-excursion
-    (with-syntax-table autoconf-mode-syntax-table
+    (with-syntax-table (copy-syntax-table autoconf-mode-syntax-table)
       (modify-syntax-entry ?_ "w")
       (if (re-search-backward autoconf-definition-regexp
 			      (save-excursion (beginning-of-defun) (point))
-- 
2.39.2