GNU bug report logs - #731
23.0.60; Varying point position after undo

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From: Markus Triska <markus.triska <at> gmx.at>
To: martin rudalics <rudalics <at> gmx.at>
Cc: 731 <at> debbugs.gnu.org, cyd <at> MIT.EDU
Subject: bug#731: 23.0.60; Varying point position after undo
Date: Fri, 19 Sep 2008 15:23:24 +0200

martin rudalics <rudalics <at> gmx.at> writes:

> So the initial values of `buffer-undo-list' differ wrt when you open the
> file via the command line or `find-file'.  Can you tell us how?

buffer-undo-list is initially nil regardless of how I open the file.
When I open the file from the command line and then press C-M-x on the
first form, `buffer-undo-list' is with CVS trunk:

   (nil
    (96 . 106)
    (t 18643 . 10108))

whereas with Emacs 22.2, it is:

   (nil
    (96 . 106)
    1
    (t 18643 . 10108))

Starting anew with CVS trunk, after I do C-M-x C-_ M-< C-M-x, it is:

   (nil
    (96 . 106)
    1
    (t 18643 . 10108)
    nil
    (#("test line\n" 0 10
       (fontified t))
     . 96)
    nil
    (96 . 106)
    (t 18643 . 10108))

When I do the same with Emacs 22.2, it is:

   (nil
    (96 . 106)
    1
    (t 18643 . 10108)
    nil
    (#("test line\n" 0 10
       (fontified t))
     . 96)
    nil
    (96 . 106)
    1
    (t 18643 . 10108))

With CVS trunk, when I open the file with C-x C-f and do C-M-x, it is:

   (nil
    (96 . 106)
    1
    (t 18643 . 10108))

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