(redisplay_internal): Do the

mark_window_display_accurate after all windows have been
redisplayed because this call resets flags in buffers which are
needed for proper redisplay.

2 files changed, 28 insertions, 3 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 2253c41fcb6..6345e0d7c4e 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,10 @@
 2001-02-21  Gerd Moellmann  <gerd@gnu.org>
 
+        * xdisp.c (redisplay_internal): Do the
+        mark_window_display_accurate after all windows have been
+        redisplayed because this call resets flags in buffers which are
+        needed for proper redisplay.
+
         * keyboard.c, minibuf.c, lread.c, fns.c, eval.c: Use
         display_hourglass_p, start_hourglass, cancel_hourglass instead of
         the old names.
diff --git a/src/xdisp.c b/src/xdisp.c
index b693e26bb22..3cc2dd52e21 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -8374,6 +8374,9 @@ redisplay_internal (preserve_echo_area)
   if (consider_all_windows_p)
     {
       Lisp_Object tail, frame;
+      int i, n = 0, size = 50;
+      struct frame **updated
+        = (struct frame **) alloca (size * sizeof *updated);
 
       /* Clear the face cache eventually.  */
       if (clear_face_cache_count > CLEAR_FACE_CACHE_COUNT)
@@ -8429,12 +8432,29 @@ redisplay_internal (preserve_echo_area)
                   if (pause)
                     break;
 
-                  mark_window_display_accurate (f->root_window, 1);
-                  if (frame_up_to_date_hook)
-                    frame_up_to_date_hook (f);
+                  if (n == size)
+                    {
+                      int nbytes = size * sizeof *updated;
+                      struct frame **p = (struct frame **) alloca (2 * nbytes);
+                      bcopy (updated, p, nbytes);
+                      size *= 2;
+                    }
+                  
+                  updated[n++] = f;
                 }
             }
         }
+
+      /* Do the mark_window_display_accurate after all windows have
+         been redisplayed because this call resets flags in buffers
+         which are needed for proper redisplay.  */
+      for (i = 0; i < n; ++i)
+        {
+          struct frame *f = updated[i];
+          mark_window_display_accurate (f->root_window, 1);
+          if (frame_up_to_date_hook)
+            frame_up_to_date_hook (f);
+        }
     }
   else if (FRAME_VISIBLE_P (sf) && !FRAME_OBSCURED_P (sf))
     {