Re: undoing changes automatically

[Richard Stallman]

If the failure mechanism is what you suggested, I think this patch is
called for.  What do you think?

*** subr.el     18 Nov 2007 17:58:04 -0500      1.554.2.7
--- subr.el     09 Jan 2008 23:26:01 -0500      
***************
*** 1802,1807 ****
--- 1802,1808 ----
    (let ((handle (make-symbol "--change-group-handle--"))
        (success (make-symbol "--change-group-success--")))
      `(let ((,handle (prepare-change-group))
+          (undo-outer-limit nil)
           (,success nil))
         (unwind-protect
           (progn