GNU bug report logs - #14518
abbrev edits - delay when saving

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Message #76 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Andreas Röhler <andreas.roehler <at> easy-emacs.de>
Cc: bug-gnu-emacs <at> gnu.org, johnw <at> gnu.org
Subject: Re: bug#14518: C and Emacs Lisp code parts
Date: Thu, 07 Jul 2016 18:16:13 +0300

> From: Andreas Röhler <andreas.roehler <at> easy-emacs.de>
> Cc: Eli Zaretskii <eliz <at> gnu.org>, John Wiegley <johnw <at> gnu.org>
> Date: Thu, 7 Jul 2016 09:33:12 +0200
> 
> IMHO in the case given the reasons are pretty simple. See for example in
> 
> 'prepare-abbrev-list-buffer':
> ...
>       (dolist (table abbrev-table-name-list)
> 
> Such happens not only there. With the number of active modes/tables it growths - maybe exponentially?
> 
> Also: why define-abbrevs must process the whole buffer? Why not deal with just the changed parts?

(This is no longer about C vs Lisp, right?)

If you want to propose changes in abbrevs.el whose purpose is to speed
it up, please do.  But please also include with the changes the
rationale in the form of timing measurements, so that, if the code
becomes more complicated as result, we could judge the speed-up
against the added complexity.

Thanks.

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