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: Óscar Fuentes <ofv <at> wanadoo.es>
To: Andreas Röhler <andreas.roehler <at> easy-emacs.de>
Cc: 13949 <at> debbugs.gnu.org
Subject: bug#13949: 24.4.1; `fill-paragraph' should not always put the buffer as modified
Date: Sun, 27 Mar 2016 17:09:12 +0200

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.

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.
This bug report was last modified 8 years and 166 days ago.

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