From: Richard M. Stallman <rms@gnu.org>
Date: Tue, 23 Aug 1994 20:50:09 +0000 (+0000)
Subject: (redisplay_window): Don't access text before BEGV.
X-Git-Tag: emacs-19.34~7259
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=b16234d8488edb56683281319169c861ebd5667c;p=emacs.git

(redisplay_window): Don't access text before BEGV.
---

diff --git a/src/xdisp.c b/src/xdisp.c
index 4af4988c3ba..82e88fd9ab5 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -1179,7 +1179,7 @@ redisplay_window (window, just_this_one)
   /* If current starting point was originally the beginning of a line
      but no longer is, find a new starting point.  */
   else if (!NILP (w->start_at_line_beg)
-	   && !(startp == BEGV
+	   && !(startp <= BEGV
 		|| FETCH_CHAR (startp - 1) == '\n'))
     {
       goto recenter;
@@ -1272,8 +1272,8 @@ recenter:
   try_window (window, pos.bufpos);
 
   startp = marker_position (w->start);
-  w->start_at_line_beg = 
-    (startp == BEGV || FETCH_CHAR (startp - 1) == '\n') ? Qt : Qnil;
+  w->start_at_line_beg 
+    = (startp == BEGV || FETCH_CHAR (startp - 1) == '\n') ? Qt : Qnil;
 
 done:
   if ((!NILP (w->update_mode_line)