GNU bug report logs - #16526
24.3.50; scroll-conservatively & c-mode regression

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Packages: emacs, cc-mode;

Reported by: martin rudalics <rudalics <at> gmx.at>

Date: Thu, 23 Jan 2014 08:54:02 UTC

Severity: important

Found in version 24.3.50

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

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Message #249 received at 16526 <at> debbugs.gnu.org (full text, mbox):

From: Alan Mackenzie <acm <at> muc.de>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 16526 <at> debbugs.gnu.org
Subject: Re: bug#16526: 24.3.50; scroll-conservatively & c-mode regression
Date: Fri, 4 Jul 2014 18:27:09 +0000

Hello, Stefan.

On Thu, Jul 03, 2014 at 10:59:58AM -0400, Stefan Monnier wrote:
> Can you try the patch below (for the emacs-24 branch), which tries to
> make the existing cache in find_defun_start do something useful in the
> case where find_defun_start returns BEGV?

[ patch snipped ]

I'm not sure what I'm meant to see, but it has made no perceptible
difference to the "slow" invocation of scan-lists.  In particular, that
invocation took 0.7196781635284424 seconds with the patch, which is
"exactly" (near enough) what it took before.

>         Stefan

-- 
Alan Mackenzie (Nuremberg, Germany).
This bug report was last modified 11 years and 16 days ago.

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