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undo boundaries


From: Nikolaj Schumacher
Subject: undo boundaries
Date: Sat, 15 Mar 2008 18:16:00 +0100
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.1.92 (darwin)

Hello,

according I brief discussion on help-gnu-emacs, this appears to be a bug in
Emacs 22:

(defun test ()
  (interactive)
  (insert "a")
  (undo-boundary)
  (insert "b"))

If I do M-x test, I get:
ab
  ^

Then, if I undo once in Emacs 22, I get:
a
^

What I was expecting (and what happens in Emacs 21):
a
 ^


Also note:

address@hidden (Johan Bockgård) wrote:

> The likely suspect is this change:
>
> undo.c
> revision 1.55
> date: 2002-04-04 22:42:56 +0200;  author: monnier;
> (record_point): New fun.
> (record_delete, record_insert): Use it.



regards,
Nikolaj Schumacher




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