GNU bug report logs - #13949
24.3.50; `fill-paragraph' should not always put the buffer as modified

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Package: emacs;

Reported by: Dani Moncayo <dmoncayo <at> gmail.com>

Date: Wed, 13 Mar 2013 22:11:01 UTC

Severity: wishlist

Tags: fixed

Merged with 21155

Found in versions 24.3.50, 24.4.1, 25.0.50

Fixed in version 26.1

Done: Lars Magne Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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From: Andreas Röhler <andreas.roehler <at> easy-emacs.de>
To: Óscar Fuentes <ofv <at> wanadoo.es>
Cc: 13949 <at> debbugs.gnu.org
Subject: bug#13949: 24.4.1; `fill-paragraph' should not always put the buffer as modified
Date: Mon, 28 Mar 2016 10:01:54 +0200


On 27.03.2016 17:09, Óscar Fuentes wrote:
> Andreas Röhler <andreas.roehler <at> easy-emacs.de> writes:
>
>> Another solution would hash only the paragraph in question, re-format
>> it in a temp buffer and replace original content only if changed.
> If we know the paragraph's begin and end points, we can hash just that
> range and then there is no need of a temporary buffer. I think that this
> condition is met on all cases.

Ideally fill-paragraph would know about the borders of action.

> Anyway, I've made some experiments and hashing a 160 MB file on a 8 year
> old 2.4 GHz 64 bit workstation takes 2.4 seconds.

If there is a faster solution, why not use them? Sure such a function 
isn't called somewhere repeatedly, travelling paragraph by paragraph?
This bug report was last modified 8 years and 166 days ago.

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