1 files changed, 2 insertions, 1 deletions

diff --git a/src/window.h b/src/window.h
index 7fc97448757..ea8965392c4 100644
--- a/src/window.h
+++ b/src/window.h
@@ -777,6 +777,7 @@ extern Lisp_Object window_from_coordinates P_ ((struct frame *, int, int,
 EXFUN (Fwindow_dedicated_p, 1);
 extern int window_height P_ ((Lisp_Object));
 extern int window_width P_ ((Lisp_Object));
+EXFUN (Fwindow_full_width_p, 1);
 extern void set_window_height P_ ((Lisp_Object, int, int));
 extern void set_window_width P_ ((Lisp_Object, int, int));
 extern void change_window_heights P_ ((Lisp_Object, int));
@@ -818,7 +819,7 @@ extern int command_loop_level;
 
 extern int minibuf_level;
 
-/* true iff we should redraw the mode lines on the next redisplay.  */
+/* true if we should redraw the mode lines on the next redisplay.  */
 
 extern int update_mode_lines;