GNU bug report logs - #60690
[PATCH v2] grep: correctly identify utf-8 characters with \{b,w} in -P

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Junio C Hamano <gitster <at> pobox.com>
Cc: demerphq <at> gmail.com, Philip.Hazel <at> gmail.com, 60690 <at> debbugs.gnu.org, mega lith01 <megalith01 <at> gmail.com>, Carlo Arenas <carenas <at> gmail.com>, Ævar Arnfjörð Bjarmason <avarab <at> gmail.com>, git <at> vger.kernel.org, Tukusej’s Sirs <tukusejssirs <at> protonmail.com>, pcre-dev <at> exim.org
Subject: bug#60690: -P '\d' in GNU and git grep
Date: Wed, 5 Apr 2023 12:04:28 -0700

On 2023-04-05 11:32, Paul Eggert wrote:

> in a February 8 commit[1], Philip Hazel changed pcre2grep to use 
> PCRE2_UCP, so this will mean 10.43 pcre2grep -u will behave like 3.9 GNU 
> grep -P did (though 3.10 has changed this).

Sorry, due to fumblefingers I gave the wrong URL for [1]. Here's a 
corrected URL:

https://github.com/PCRE2Project/pcre2/commit/8385df8c97b6f8069a48e600c7e4e94cc3e3ebd9

It also mentions a new --case-restrict option, intended for 10.43 
pcre2grep. Given Perl's and PCRE2's plethora of options I suppose one 
could imagine several other options of that ilk.

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