Merge from emacs--devo--0

Patches applied:

 * emacs--devo--0  (patch 675-697)

   - Update from CVS
   - Merge from gnus--rel--5.10
   - Release ERC 5.2.

 * gnus--rel--5.10  (patch 211-215)

   - Update from CVS
   - Merge from emacs--devo--0

Revision: emacs@sv.gnu.org/emacs--unicode--0--patch-189

1 files changed, 2 insertions, 0 deletions

diff --git a/src/undo.c b/src/undo.c
index 0eca97df566..7a6ba37d0f8 100644
--- a/src/undo.c
+++ b/src/undo.c
@@ -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))