Commit cfad01b4 authored by Gerd Moellmann's avatar Gerd Moellmann
Browse files

(redisplay_window) <optional new window start>: Check

that window start is in [BEGV..ZV].
parent 362ba9c6
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......@@ -8625,7 +8625,9 @@ redisplay_window (window, just_this_one_p)
/* If someone specified a new starting point but did not insist,
check whether it can be used. */
if (!NILP (w->optional_new_start))
if (!NILP (w->optional_new_start)
&& CHARPOS (startp) >= BEGV
&& CHARPOS (startp) <= ZV)
w->optional_new_start = Qnil;
/* This takes a mini-buffer prompt into account. */
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