GNU bug report logs - #16919
[PATCH] fix mismatch between dfa and regex for treatment of titlecase

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Norihiro Tanaka <noritnk <at> kcn.ne.jp>
Subject: bug#16919: closed (Re: bug#16919: [PATCH] fix mismatch between
 dfa and regex for treatment of titlecase)
Date: Sat, 08 Mar 2014 02:34:02 +0000

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Your bug report

#16919: [PATCH] fix mismatch between dfa and regex for treatment of titlecase

which was filed against the grep package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 16919 <at> debbugs.gnu.org.

-- 
16919: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=16919
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Jim Meyering <jim <at> meyering.net>
Cc: 16919-done <at> debbugs.gnu.org, Aharon Robbins <arnold <at> skeeve.com>,
 Norihiro Tanaka <noritnk <at> kcn.ne.jp>
Subject: Re: bug#16919: [PATCH] fix mismatch between dfa and regex for
 treatment of titlecase
Date: Fri, 07 Mar 2014 18:33:50 -0800

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Jim Meyering wrote:
> That is my preference, too.

OK, thanks, I installed the attached patch, which should do just that, 
and I'm marking this bug as done.  I'll CC: this to Aharon since it 
might affect Gawk.

The code still needs cleanup but so far I'm just trying to fix bugs.

[0001-grep-fix-case-fold-mismatches-between-DFA-and-regex.patch (text/plain, attachment)]

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From: Norihiro Tanaka <noritnk <at> kcn.ne.jp>
To: submit <at> debbugs.gnu.org
Subject: [PATCH] fix mismatch between dfa and regex for treatment of titlecase
Date: Sun, 02 Mar 2014 09:32:38 +0900

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Package: grep
Tags: patch

I found difference between dfa and regex (glibc) treatment of titlecase.
In case-insensitive matching in UTF8 locale,  U+01C7 (LATIN CAPITAL LETTER
LJ) matches with U+01C8 (LATIN CAPITAL LETTER L WITH SMALL LETTER J on
regex, but it doesn't on dfa.

The patch fixes mismatch between dfa and regex for treatment of titlecase.

Norihiro

[patch.txt (application/octet-stream, attachment)]

[tests.txt (application/octet-stream, attachment)]

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