(window_scroll_pixel_based): Partially undo last change.

96ae58c8 · Richard M. Stallman · 2764bebd · 96ae58c8
Commit 96ae58c8 authored Jan 01, 2003 by Richard M. Stallman
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Showing with 4 additions and 2 deletions

src/window.c src/window.c +4 -2

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--- 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)
 	{