Re: warning about undo info being discarded when in *Backtrace*

[Richard Stallman]

How about turning off undo information in *Backtrace*?
As far as I know, there is no use for any.

Please try this patch.

*** debug.el    25 Jul 2007 11:49:15 -0400      1.101.2.1
--- debug.el    09 Oct 2007 22:44:24 -0400      
***************
*** 269,274 ****
--- 269,275 ----
    (setq buffer-read-only nil)
    (erase-buffer)
    (set-buffer-multibyte nil)
+   (setq buffer-undo-list t)
    (let ((standard-output (current-buffer))
        (print-escape-newlines t)
        (print-level 8)