[Emacs-diffs] /srv/bzr/emacs/trunk r109957: Fix bug #12277 with incomplete redisplay of the vertical border between windows.

[Eli Zaretskii]

------------------------------------------------------------
revno: 109957
fixes bug: http://debbugs.gnu.org/12277
committer: Eli Zaretskii <address@hidden>
branch nick: trunk
timestamp: Sun 2012-09-09 20:59:50 +0300
message:
  Fix bug #12277 with incomplete redisplay of the vertical border between 
windows.
  
   src/dispnew.c (update_window_line): When the left margin area of a
   screen line is updated, set the redraw_fringe_bitmaps_p flag of
   that screen line.
modified:
  src/ChangeLog
  src/dispnew.c

=== modified file 'src/ChangeLog'
--- a/src/ChangeLog     2012-09-09 16:06:33 +0000
+++ b/src/ChangeLog     2012-09-09 17:59:50 +0000
@@ -1,3 +1,9 @@
+2012-09-09  Eli Zaretskii  <address@hidden>
+
+       * dispnew.c (update_window_line): When the left margin area of a
+       screen line is updated, set the redraw_fringe_bitmaps_p flag of
+       that screen line.  (Bug#12277)
+
 2012-09-09  Paul Eggert  <address@hidden>
 
        Assume C89 or later for math functions (Bug#12381).

=== modified file 'src/dispnew.c'
--- a/src/dispnew.c     2012-09-07 01:27:44 +0000
+++ b/src/dispnew.c     2012-09-09 17:59:50 +0000
@@ -3951,6 +3951,11 @@
        {
          changed_p = 1;
          update_marginal_area (w, LEFT_MARGIN_AREA, vpos);
+         /* Setting this flag will ensure the vertical border, if
+            any, between this window and the one on its left will be
+            redrawn.  This is necessary because updating the left
+            margin area can potentially draw over the border.  */
+         current_row->redraw_fringe_bitmaps_p = 1;
        }
 
       /* Update the display of the text area.  */