[Emacs-diffs] trunk r115888: Fix bug #16129 with slow and incorrect redisplay in follow-mode.

[Eli Zaretskii]

------------------------------------------------------------
revno: 115888
revision-id: address@hidden
parent: address@hidden
fixes bug: http://debbugs.gnu.org/16129
committer: Eli Zaretskii <address@hidden>
branch nick: trunk
timestamp: Mon 2014-01-06 18:28:26 +0200
message:
  Fix bug #16129 with slow and incorrect redisplay in follow-mode.
  
   src/xdisp.c (redisplay_window): Don't skip window redisplay if the
   last value of point is not equal to buffer's point.
modified:
  src/ChangeLog                  changelog-20091113204419-o5vbwnq5f7feedwu-1438
  src/xdisp.c                    xdisp.c-20091113204419-o5vbwnq5f7feedwu-240

=== modified file 'src/ChangeLog'
--- a/src/ChangeLog     2014-01-05 02:56:08 +0000
+++ b/src/ChangeLog     2014-01-06 16:28:26 +0000
@@ -1,3 +1,8 @@
+2014-01-06  Eli Zaretskii  <address@hidden>
+
+       * xdisp.c (redisplay_window): Don't skip window redisplay if the
+       last value of point is not equal to buffer's point.  (Bug#16129)
+
 2014-01-05  Paul Eggert  <address@hidden>
 
        Spelling fixes.

=== modified file 'src/xdisp.c'
--- a/src/xdisp.c       2014-01-01 17:44:48 +0000
+++ b/src/xdisp.c       2014-01-06 16:28:26 +0000
@@ -15621,7 +15621,8 @@
       && REDISPLAY_SOME_P ()
       && !w->redisplay
       && !f->redisplay
-      && !buffer->text->redisplay)
+      && !buffer->text->redisplay
+      && BUF_PT (buffer) == w->last_point)
     return;
 
   /* Make sure that both W's markers are valid.  */