GNU bug report logs - #5749
append-to-buffer and point

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From: Stephen Berman <stephen.berman <at> gmx.net>
To: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
Cc: Glenn Morris <rgm <at> gnu.org>, 5749 <at> debbugs.gnu.org
Subject: bug#5749: 24.0.50; Gomoku startup latency
Date: Wed, 24 Mar 2010 10:14:35 +0100

On Wed, 24 Mar 2010 12:27:03 +0900 YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp> wrote:

>>>>>> On Tue, 23 Mar 2010 21:51:24 -0400, Glenn Morris <rgm <at> gnu.org> said:
>
>> Stephen Berman wrote:
>>> 1. Let ~/.emacs consist of this sexp:
>>> (setq initial-frame-alist '((fullscreen . fullheight)))
>>> 2. Start Emacs with the above init file.
>>> 3. M-x gomoku
>>> => There is a noticeable delay loading the game -- on my system 3-4
>>> seconds.
>
>> This is interesting. Emacs 23.1 is almost instantaneous, but 23.1.94
>> is very slow, and also starts using a huge amount of memory (1GB+ for me).
>> Loading gomoku.el from 23.1 in 23.1.94 makes no difference.
>
> This is due to a behavioral change of `append-to-buffer', which used
> to preserve the point when the first argument coincides with the
> current buffer.  The following patch would work for this case.

I confirm that this patch eliminates the startup latency for me.

Steve Berman

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