(update_frame_tool_bar): Use -1 as index

[bpt/emacs.git] / src / undo.c

diff --git a/src/undo.c b/src/undo.c
index bf774af..adc1219 100644 (file)
--- a/src/undo.c
+++ b/src/undo.c
@@ -1,12 +1,12 @@
 /* undo handling for GNU Emacs.
-   Copyright (C) 1990, 1993, 1994, 2000, 2002, 2003, 2004,
-                 2005 Free Software Foundation, Inc.
+   Copyright (C) 1990, 1993, 1994, 2000, 2001, 2002, 2003, 2004,
+                 2005, 2006, 2007  Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
 GNU Emacs is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
 any later version.
 
 GNU Emacs is distributed in the hope that it will be useful,
@@ -548,6 +548,8 @@ Return what remains of the list.  */)
                  beg = Fcar (cdr);
                  end = Fcdr (cdr);
 
+                 if (XINT (beg) < BEGV || XINT (end) > ZV)
+                   error ("Changes to be undone are outside visible portion of buffer");
                  Fput_text_property (beg, end, prop, val, Qnil);
                }
              else if (INTEGERP (car) && INTEGERP (cdr))