From: Richard M. Stallman <rms@gnu.org>
Date: Wed, 1 Jan 2003 17:00:34 +0000 (+0000)
Subject: (window_scroll_pixel_based): Partially undo last change.
X-Git-Tag: ttn-vms-21-2-B4~11868
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=96ae58c8acaecb6907897a4c928cba4f4eee3e58;p=emacs.git

(window_scroll_pixel_based): Partially undo last change.
---

diff --git a/src/window.c b/src/window.c
index 3f115260adf..83440f440cc 100644
--- a/src/window.c
+++ b/src/window.c
@@ -4147,9 +4147,11 @@ window_scroll_pixel_based (window, n, whole, noerror)
   else
     move_it_by_lines (&it, n, 1);
 
-  /* End if we end up at ZV or BEGV.  */
+  /* We failed if we find ZV is already on the screen (scrolling up,
+     means there's nothing past the end), or if we can't start any
+     earlier (scrolling down, means there's nothing past the top).  */
   if ((n > 0 && IT_CHARPOS (it) == ZV)
-      || (n < 0 && IT_CHARPOS (it) == BEGV))
+      || (n < 0 && IT_CHARPOS (it) == CHARPOS (start)))
     {
       if (IT_CHARPOS (it) == ZV)
 	{