GNU bug report logs - #12463
24.2; pos-visible-in-window-p gets slower over time

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Package: emacs;

Reported by: jwalt <at> garni.ch (Jörg Walter)

Date: Mon, 17 Sep 2012 23:58:01 UTC

Severity: normal

Merged with 12468

Found in version 24.2

Done: Chong Yidong <cyd <at> gnu.org>

Bug is archived. No further changes may be made.

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Message #151 received at 12463 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: lekktu <at> gmail.com, cyd <at> gnu.org, jwalt <at> garni.ch, 12463 <at> debbugs.gnu.org
Subject: Re: bug#12463: 24.2; pos-visible-in-window-p gets slower over time
Date: Sun, 23 Sep 2012 05:50:43 +0200

> I'm saying: is the variable usually set once and left alone, or is it
> usually let-bound around the call to the function that uses
> the variable?
> 
> In the case of dynamic-library-alist it seems it's never let-bound, so
> it's probably better to access it directly as a global var, rather than
> pass it as a parameter.

It is never let-bound.  It is modified by adding cons cells to it, and
used by accessing those cells.
This bug report was last modified 12 years and 237 days ago.

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