1 files changed, 9 insertions, 0 deletions
diff --git a/src/window.h b/src/window.h
index 629283ac40c..91ef7d90272 100644
--- a/src/window.h
+++ b/src/window.h
@@ -178,6 +178,9 @@ struct window
     /* An alist with parameters.  */
     Lisp_Object window_parameters;
 
+    /* The help echo text for this window.  Qnil if there's none.  */
+    Lisp_Object mode_line_help_echo;
+
     /* No Lisp data may follow below this point without changing
        mark_object in alloc.c.  The member current_matrix must be the
        first non-Lisp member.  */
@@ -445,6 +448,12 @@ wset_redisplay_end_trigger (struct window *w, Lisp_Object val)
 }
 
 INLINE void
+wset_mode_line_help_echo (struct window *w, Lisp_Object val)
+{
+  w->mode_line_help_echo = val;
+}
+
+INLINE void
 wset_new_pixel (struct window *w, Lisp_Object val)
 {
   w->new_pixel = val;