GNU bug report logs - #13041
24.2; diacritic-fold-search

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Michael Albinus <michael.albinus <at> gmx.de>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#13041: closed (24.2; diacritic-fold-search)
Date: Sat, 03 Sep 2016 07:07:02 +0000

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Your message dated Sat, 03 Sep 2016 09:06:21 +0200
with message-id <87twdxtqc2.fsf <at> gmx.de>
and subject line Re: bug#13041: 24.2; diacritic-fold-search
has caused the debbugs.gnu.org bug report #13041,
regarding 24.2; diacritic-fold-search
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: Lewis Perin <perin <at> panix.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.2; diacritic-fold-search
Date: Fri, 30 Nov 2012 13:22:05 -0500 (EST)

This is not a bug report but a feature request, so I am omitting
diagnostic information.

Emacs search has long been able to toggle between (a) ignoring the
distinction between upper- and lower-case characters
(case-fold-search) and (b) searching for only one of the pair.  One
could say Climacs offers the choice between (a) searching for all
members of a (2-member) equivalence class and (b) searching for only
one member.

There are larger equivalence classes of characters with practical use
which Climacs is currently unaware of: the groups of characters
consisting of an unadorned (ASCII) character plus all its
diacritic-adorned versions.  Currently, if I want to search for both
“apres” and “après”, I need an additive regular expression.  I would
like to do this as easily as I can search for “apres” and “Apres”.  I
would be delighted if Emacs implemented the equivalence classes
spelled out here:

  http://hex-machina.com/scripts/yui/3.3.0pr1/api/unicode-data-accentfold.js.html

I might add that diacritics folding is the default in web search
engines.  It is also a feature of at least one Web browser in
searching the text of a displayed page (Chrome.)

I’m sure that maintaining the core of Emacs is a big job, and I’m
grateful for the skill and effort that go into that task, including
your consideration of this request!

/Lew
---
Lew Perin | perin <at> acm.org | http://babelcarp.org

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From: Michael Albinus <michael.albinus <at> gmx.de>
To: perin <at> acm.org
Cc: 13041-done <at> debbugs.gnu.org
Subject: Re: bug#13041: 24.2; diacritic-fold-search
Date: Sat, 03 Sep 2016 09:06:21 +0200

Version: 25.1

nobody writes:

> This is great news!  I’m afraid I’m not in a position to use 25.1 yet,
> but I look forward to it eagerly.  Closing the bug seems right to me;
> if the new functionality has flaws, then they would be *new* bugs.

So I'm closing the bug.

> Thanks very much for letting me know!
>
> /Lew

Best regards, Michael.

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