Documenting redisplay-end-trigger-functions

[Juanma Barranquero <lekktu@gmail.com>]

Any objection to defvar'ing `redisplay-end-trigger-functions'? (It is
already in the Emacs Lisp Reference manual, but the variable has no
docstring.)

-- 
                    /L/e/k/t/u


Index: src/xdisp.c
===================================================================
RCS file: /cvsroot/emacs/emacs/src/xdisp.c,v
retrieving revision 1.1036
diff -u -2 -r1.1036 xdisp.c
--- src/xdisp.c	18 Jul 2005 20:59:41 -0000	1.1036
+++ src/xdisp.c	29 Jul 2005 11:37:31 -0000
@@ -232,5 +232,5 @@
 Lisp_Object Qoverriding_local_map, Qoverriding_terminal_local_map;
 Lisp_Object Qwindow_scroll_functions, Vwindow_scroll_functions;
-Lisp_Object Qredisplay_end_trigger_functions;
+Lisp_Object Qredisplay_end_trigger_functions, Vredisplay_end_trigger_functions;
 Lisp_Object Qinhibit_point_motion_hooks;
 Lisp_Object QCeval, QCfile, QCdata, QCpropertize;
@@ -23136,4 +23136,10 @@
 is not valid when these functions are called.  */);
   Vwindow_scroll_functions = Qnil;
+
+  DEFVAR_LISP ("redisplay-end-trigger-functions",
&Vredisplay_end_trigger_functions,
+    doc: /* Functions called when redisplay of a window reaches the
end trigger.
+Each function is called with two arguments, the window and the end
trigger value.
+See `set-window-redisplay-end-trigger'.  */);
+  Vredisplay_end_trigger_functions = Qnil;
 
   DEFVAR_BOOL ("mouse-autoselect-window", &mouse_autoselect_window,