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(window_scroll_pixel_based): Fix check for reaching BEGV.

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Don't try to make last line fully visible if it is past end of window.
This commit is contained in:
Richard M. Stallman 2002-12-23 18:04:45 +00:00
parent 76efe10ec7
commit 07ce8b53ea
1 changed files with 4 additions and 3 deletions
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7
src/window.c
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@ -4149,12 +4149,13 @@ window_scroll_pixel_based (window, n, whole, noerror)
/* End if we end up at ZV or BEGV. */
if ((n > 0 && IT_CHARPOS (it) == ZV)
|| (n < 0 && IT_CHARPOS (it) == CHARPOS (start)))
|| (n < 0 && IT_CHARPOS (it) == BEGV))
{
if (IT_CHARPOS (it) == ZV)
{
if (it.current_y + it.max_ascent + it.max_descent
> it.last_visible_y)
if (it.current_y < it.last_visible_y
&& (it.current_y + it.max_ascent + it.max_descent
>= it.last_visible_y))
{
/* The last line was only partially visible, make it fully
visible. */