commit cb8d5d9b314a3eb43a1bf0546da1ad9eb133f005
from: Omar Polo <op@omarpolo.com>
date: Sat Mar 13 11:30:22 2021 UTC

don't crash if cmd_push_button over the last line

commit - 929c2d9f3ad1088f47c2b446b8507f50f7c95f19
commit + cb8d5d9b314a3eb43a1bf0546da1ad9eb133f005
blob - edcb81997f00734d33722d98766b31255c9ee2fd
blob + e0ea8923d61e8d65b0ab747e136b316bc976625b
--- ui.c
+++ ui.c
@@ -696,7 +696,7 @@ cmd_push_button(struct tab *tab)
 	size_t		 nth;
 
 	nth = tab->s->line_off + tab->s->curs_y;
-	if (nth > tab->s->line_max)
+	if (nth >= tab->s->line_max)
 		return;
 	l = nth_line(tab, nth);
 	if (l->type != LINE_LINK)