From: martin rudalics <rudalics@gmx.at>
To: Lars Magne Ingebrigtsen <larsi@gnus.org>
Cc: Steve Yegge <stevey@google.com>, 4041@debbugs.gnu.org
Subject: bug#4041: 23.0.92; Emacs 23: buffer point is no longer frame-local
Date: Sat, 17 Sep 2011 10:43:26 +0200 [thread overview]
Message-ID: <4E745DAE.5040808@gmx.at> (raw)
In-Reply-To: <m3r53fbqfi.fsf@stories.gnus.org>
>> 1) emacs -q (with non-nil window-system)
>> 2) find-file /usr/share/dict/words
>> - any file longer than ~3x the frame height should serve to demonstrate
>> - in remaining steps I'll call this file buffer BUF
>> 3) (goto-char (/ (point-max) 2))
>> 4) (new-frame)
>> 5) (other-frame) ; if necessary to put point in new frame
>> 6) switch to buffer BUF
>> 7) (goto-char (point-min))
>> 8) switch to buffer *scratch* (or any other buffer)
>> 9) switch to buffer BUF
>>
>> Observe that point has returned to (/ (point-max) 2).
>
> I can confirm that this behaviour is still present in Emacs 24.
>
> And it seems like an unfortunate behaviour. How difficult would it be
> to stash window-point (I guess) on a per-frame basis? Frame-local
> variables are being phased out, but it seems like this would be nice to
> have.
Even if you had such a feature it would not DTRT with multiple windows
showing the same buffer on the same frame. But if, in step (9) above,
you do `previous-buffer' or `switch-to-prev-buffer', the window's point
should show up at `point-min'. `switch-to-buffer' could, in principle,
retrieve that position by scanning `window-prev-buffers' of that window.
martin
next prev parent reply other threads:[~2011-09-17 8:43 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-05 0:17 bug#4041: 23.0.92; Emacs 23: buffer point is no longer frame-local Steve Yegge
2009-08-06 9:33 ` martin rudalics
2011-09-17 7:04 ` Lars Magne Ingebrigtsen
2011-09-17 8:43 ` martin rudalics [this message]
2011-09-18 8:03 ` Lars Magne Ingebrigtsen
2011-10-06 22:14 ` Lars Magne Ingebrigtsen
2011-10-07 7:07 ` martin rudalics
2011-10-07 10:46 ` Lars Magne Ingebrigtsen
2011-10-07 17:00 ` martin rudalics
2011-10-07 21:09 ` Steve Yegge
2011-10-08 6:23 ` Eli Zaretskii
2011-10-08 6:32 ` Drew Adams
2011-10-08 6:23 ` Leo
2011-10-08 13:23 ` martin rudalics
2011-10-08 14:12 ` Eli Zaretskii
2011-10-08 15:00 ` martin rudalics
2011-10-08 15:34 ` Eli Zaretskii
2011-10-08 15:55 ` martin rudalics
2011-10-08 17:07 ` Eli Zaretskii
2011-10-08 17:53 ` martin rudalics
2011-10-08 20:35 ` Eli Zaretskii
2011-10-09 8:33 ` martin rudalics
2011-10-09 17:45 ` Eli Zaretskii
2011-10-10 12:57 ` martin rudalics
2011-10-11 12:45 ` Stefan Monnier
2011-10-12 0:35 ` Steve Yegge
2011-10-12 1:19 ` Stefan Monnier
2011-10-12 3:52 ` Steve Yegge
2011-10-12 9:48 ` martin rudalics
2011-10-12 13:11 ` Stefan Monnier
2011-10-12 13:39 ` Stefan Monnier
2011-10-12 14:25 ` martin rudalics
2012-10-05 10:08 ` martin rudalics
2012-10-10 10:22 ` martin rudalics
2011-10-12 6:52 ` martin rudalics
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