Commit e9b2c961 authored by Richard M. Stallman's avatar Richard M. Stallman

(window_scroll_pixel_based): Exit the move_it_by_lines

loop whenever it stops making progress.
parent de70f8b6
......@@ -4154,7 +4154,12 @@ window_scroll_pixel_based (window, n, whole, noerror)
in the scroll margin at the top. */
move_it_to (&it, PT, -1, -1, -1, MOVE_TO_POS);
while (it.current_y < this_scroll_margin)
move_it_by_lines (&it, 1, 1);
{
int prev = it.current_y;
move_it_by_lines (&it, 1, 1);
if (prev == it.current_y)
break;
}
SET_PT_BOTH (IT_CHARPOS (it), IT_BYTEPOS (it));
}
else if (n < 0)
......
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