# HG changeset patch
# User ben
# Date 1021400070 0
# Node ID dc12269565c9b035c25387b840042b053a2f3283
# Parent  44478bd99873323533a6e3a45f2c920f66ac8bb9
[xemacs-hg @ 2002-05-14 18:14:27 by ben]
fix crash -- tab at buffer beg


font-lock.c: Don't use off the beginning position to initiate syntax cache.

diff -r 44478bd99873 -r dc12269565c9 src/ChangeLog
--- a/src/ChangeLog	Tue May 14 15:16:08 2002 +0000
+++ b/src/ChangeLog	Tue May 14 18:14:30 2002 +0000
@@ -1,3 +1,8 @@
+2002-05-14  Ben Wing  <ben@xemacs.org>
+
+	* font-lock.c (find_context):
+	Don't use off the beginning position to initiate syntax cache.
+
 2002-05-14  Ben Wing  <ben@xemacs.org>
 
 	* text.c (copy_buffer_text_out): Fix bug leading to crashes
diff -r 44478bd99873 -r dc12269565c9 src/font-lock.c
--- a/src/font-lock.c	Tue May 14 15:16:08 2002 +0000
+++ b/src/font-lock.c	Tue May 14 18:14:30 2002 +0000
@@ -436,7 +436,8 @@
   setup_context_cache (buf, pt);
   pt = context_cache.cur_point;
 
-  scache = setup_buffer_syntax_cache (buf, pt - 1, 1);
+  scache = setup_buffer_syntax_cache (buf, pt > BUF_BEGV (buf) ? pt - 1 : pt,
+				      1);
   if (pt > BUF_BEGV (buf))
     {
       c = BUF_FETCH_CHAR (buf, pt - 1);