From: Karl Heuer <kwzh@gnu.org>
Date: Thu, 16 Jun 1994 15:38:30 +0000 (+0000)
Subject: (redisplay_window): Don't use shortcut if window_end_vpos is out of date.
X-Git-Tag: emacs-19.34~7926
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=15495c7324317bb269408dc6d02c99cd82f529d1;p=emacs.git

(redisplay_window): Don't use shortcut if window_end_vpos is out of date.
---

diff --git a/src/xdisp.c b/src/xdisp.c
index da05044a963..7d06ead0a69 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -1141,6 +1141,9 @@ redisplay_window (window, just_this_one)
       /* Can't use this case if highlighting a region.  */
       && !(!NILP (Vtransient_mark_mode) && !NILP (current_buffer->mark_active))
       && NILP (w->region_showing)
+      /* If end pos is out of date, scroll bar and percentage will be wrong */
+      && INTEGERP (w->window_end_vpos)
+      && XFASTINT (w->window_end_vpos) < XFASTINT (w->height)
       && !EQ (window, minibuf_window))
     {
       pos = *compute_motion (startp, 0, (hscroll ? 1 - hscroll : 0),