extern int compare_window_configurations P_ ((Lisp_Object, Lisp_Object, int));
EXFUN (Fcoordinates_in_window_p, 2);
EXFUN (Fwindow_at, 3);
-EXFUN (Fpos_visible_in_window_p, 2);
+EXFUN (Fpos_visible_in_window_p, 3);
extern void mark_window_cursors_off P_ ((struct window *));
extern int window_internal_height P_ ((struct window *));
extern int window_internal_width P_ ((struct window *));