GNU bug report logs - #12170
save-excursion fails boundary case with recenter

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Package: emacs;

Reported by: "Bill Brodie" <wbrodie <at> panix.com>

Date: Fri, 10 Aug 2012 02:01:02 UTC

Severity: normal

Tags: notabug

Done: npostavs <at> users.sourceforge.net

Bug is archived. No further changes may be made.

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Message #35 received at 12170 <at> debbugs.gnu.org (full text, mbox):

From: martin rudalics <rudalics <at> gmx.at>
To: Bill Brodie <wbrodie <at> panix.com>
Cc: 12170 <at> debbugs.gnu.org, 'Stefan Monnier' <monnier <at> IRO.UMontreal.CA>
Subject: Re: bug#12170: save-excursion fails boundary case with recenter
Date: Fri, 10 Aug 2012 18:46:53 +0200

> Perhaps the moral is that `save-excursion' should not enclose any code,
> including `recenter', that affects how buffers are displayed within windows.

Ideally, code should not call `recenter' unless it's sure that no
point-changing code follows it before the next redisplay.  Or better,
code should call `recenter' iff it definitely wants to overrule any
point-changing code that follows it.

martin
This bug report was last modified 8 years and 138 days ago.

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