GNU bug report logs - #16912
[PATCH] no longer use CSET for non-UTF8 locale in DFA engine

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Package: grep;

Reported by: Norihiro Tanaka <noritnk <at> kcn.ne.jp>

Date: Sat, 1 Mar 2014 09:49:02 UTC

Severity: normal

Tags: patch

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

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From: Paolo Bonzini <bonzini <at> gnu.org>
To: Norihiro Tanaka <noritnk <at> kcn.ne.jp>
Cc: Paul Eggert <eggert <at> cs.ucla.edu>, 16912 <at> debbugs.gnu.org
Subject: bug#16912: [PATCH] no longer use CSET for non-UTF8 locale in DFA engine
Date: Wed, 05 Mar 2014 08:59:52 +0100

Il 05/03/2014 00:12, Norihiro Tanaka ha scritto:
> First, I also thoutht such a case.  But perhaps it's no problem, because
> DFA will never come across CSET on second byte in Shift_JIS.
>
>   "grep -i A" -> [Aa] -> CSET
>   "grep -i $"\x82A" -> [$"\x82\x82A"$"\x82\x82"] -> \x82 A CAT \x82 \x82 CAT OR
>
> Laster will be never \x82 [A\x82] -> \x82 CSET CAT.

What about these two commands:

   grep [a]
   grep -i A

Would they match \x82\x61 ("Ｂ", U+0FF22) with your patch?  And without it?

Paolo
This bug report was last modified 11 years and 108 days ago.

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