From 6887f62301ff2f76dfb86423ecfc43cbb05b381f Mon Sep 17 00:00:00 2001
From: Jim Blandy <jimb@redhat.com>
Date: Wed, 19 May 1993 19:13:31 +0000
Subject: [PATCH] * xdisp.c (redisplay_window): Compute the scrollbar start and
 end 	properly.

---
 src/xdisp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/xdisp.c b/src/xdisp.c
index f37f1d4e976..f034bb203e6 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -1069,10 +1069,10 @@ done:
       if (! MINI_WINDOW_P (w)
 	  || (w == XWINDOW (minibuf_window) && ! echo_area_glyphs))
 	{
-	  start = startp;
+	  start = startp - BEGV;
 	  /* I don't think this is guaranteed to be right.  For the
 	     moment, we'll pretend it is.  */
-	  end = Z - XINT (w->window_end_pos);
+	  end = Z - XINT (w->window_end_pos) - BEGV;
 	  whole = ZV - BEGV;
 
 	  if (end < start) end = start;