Commit 61b5322b authored by Richard M. Stallman's avatar Richard M. Stallman

(Fpos_visible_in_window_p): Do something reasonable

if w->start is outside the buffer bounds.
parent 9a5196d0
......@@ -228,6 +228,10 @@ POS defaults to point; WINDOW, to the selected window.")
if (posint > BUF_ZV (buf))
return Qnil;
/* w->start can be out of range. If it is, do something reasonable. */
if (top < BUF_BEGV (buf) || top > BUF_ZV (buf))
return Qnil;
/* If that info is not correct, calculate afresh */
posval = *compute_motion (top, 0, (hscroll ? 1 - hscroll : 0),
posint, height, 0,
......
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