GNU bug report logs - #14824
24.3.50; Regression: problem with undo in Mail mode

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Package: emacs;

Reported by: rms <at> gnu.org

Date: Mon, 8 Jul 2013 17:30:03 UTC

Severity: important

Found in version 24.3.50

Fixed in version 24.4

Done: Glenn Morris <rgm <at> gnu.org>

Bug is archived. No further changes may be made.

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Message #23 received at 14824 <at> debbugs.gnu.org (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: "Aaron S. Hawley" <aaron.s.hawley <at> gmail.com>
Cc: 14824 <at> debbugs.gnu.org, rms <at> gnu.org
Subject: Re: bug#14824: 24.3.50; Regression: problem with undo in Mail mode
Date: Tue, 09 Jul 2013 13:58:35 -0400

Glenn Morris wrote:

> As another data point, the problem only happens with buffers that are
> not visiting files.

I think the issue might be:

buffer-undo-list has an element of the form:

 (t 0 0 0 -2000)

I don't know where -2000 picosecs comes from.

In undo.c, the test was:

  EMACS_TIME_NE (mod_time, base_buffer->modtime)

Now the test is:

(equal time (visited-file-modtime))

But visited-file-modtime returns 0 rather than -2000 picoseconds.
This bug report was last modified 12 years and 12 days ago.

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