(display_line): Replace an unconditional abort with an assertion.

2 files changed, 8 insertions, 3 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index dd4dc158938..c375831f1ea 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2002-07-22  Gerd Moellmann  <gerd.moellmann@t-online.de>
+
+        * xdisp.c (display_line): Replace an abort with xassert.
+
 2002-07-21  Richard M. Stallman  <rms@gnu.org>
 
         * xdisp.c (redisplay_window): Don't test BEG_UNCHANGED
diff --git a/src/xdisp.c b/src/xdisp.c
index 4e52d39c908..cf538ed9241 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -13229,9 +13229,10 @@ display_line (it)
                 {
                   /* Glyph is completely off the left margin of the
                      window.  This should not happen because of the
-                     move_it_in_display_line at the start of
-                     this function.  */
-                  abort ();
+                     move_it_in_display_line at the start of this
+                     function, unless the text display area of the
+                     window is empty.  */
+                  xassert (it->first_visible_x <= it->last_visible_x);
                 }
             }