From: "Jan Djärv" <jan.h.d@swipnet.se>
To: Eli Zaretskii <eliz@gnu.org>
Cc: "lekktu@gmail.com" <lekktu@gmail.com>,
Andreas Schwab <schwab@linux-m68k.org>,
"lennart.borgman@gmail.com" <lennart.borgman@gmail.com>,
"emacs-devel@gnu.org" <emacs-devel@gnu.org>
Subject: Re: What does Emacs on w32 know that grep can't figure out?
Date: Fri, 1 Oct 2010 19:19:40 +0200 [thread overview]
Message-ID: <24A61256-6833-4250-B715-E55114546436@swipnet.se> (raw)
In-Reply-To: <83pqvuqg0a.fsf@gnu.org>
1 okt 2010 kl. 14:00 skrev Eli Zaretskii <eliz@gnu.org>:
>> From: Andreas Schwab <schwab@linux-m68k.org>
>> Cc: "Jan D." <jan.h.d@swipnet.se>, lekktu@gmail.com, lennart.borgman@gmail.com, emacs-devel@gnu.org
>> Date: Fri, 01 Oct 2010 10:12:08 +0200
>>
>> Eli Zaretskii <eliz@gnu.org> writes:
>>
>>>> Date: Fri, 01 Oct 2010 07:37:59 +0200
>>>> From: "Jan D." <jan.h.d@swipnet.se>
>>>> Cc: Lennart Borgman <lennart.borgman@gmail.com>,
>>>> Emacs-Devel devel <emacs-devel@gnu.org>
>>>>
>>>> GNU grep understands UTF-8 I think.
>>>
>>> Not really. Grep just compares bytes one by one, it knows nothing
>>> about multibyte characters.
>>
>> grep uses exactly the character encoding as specified by the locale.
>
> What do you mean by "support"? It compares text by comparing its
> constituent bytes, without really understanding that a given sequence
> of bytes is a single character.
Grep knows about character classes, like [:alpha:] and [:lower:]. But I guess most of that comes from the locale support in libc.
Jan D.
next prev parent reply other threads:[~2010-10-01 17:19 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-30 23:13 What does Emacs on w32 know that grep can't figure out? Lennart Borgman
2010-09-30 23:58 ` Juanma Barranquero
2010-10-01 0:29 ` Lennart Borgman
2010-10-01 0:37 ` Juanma Barranquero
2010-10-01 1:06 ` Lennart Borgman
2010-10-01 1:20 ` Juanma Barranquero
2010-10-01 1:32 ` Lennart Borgman
2010-10-01 1:49 ` Juanma Barranquero
2010-10-01 2:41 ` PJ Weisberg
2010-10-01 5:43 ` PJ Weisberg
2010-10-01 5:37 ` Jan D.
2010-10-01 7:34 ` Eli Zaretskii
2010-10-01 8:12 ` Andreas Schwab
2010-10-01 12:00 ` Eli Zaretskii
2010-10-01 12:40 ` Andreas Schwab
2010-10-01 17:19 ` Jan Djärv [this message]
2010-10-01 22:45 ` Stefan Monnier
2010-10-01 7:13 ` Eli Zaretskii
2010-10-01 9:28 ` Lennart Borgman
2010-10-01 10:35 ` Mathias Dahl
2010-10-01 11:24 ` Thierry Volpiatto
2010-10-01 11:26 ` Lennart Borgman
2010-10-01 12:02 ` Eli Zaretskii
2010-10-01 15:03 ` Lennart Borgman
2010-10-01 15:11 ` PJ Weisberg
2010-10-01 22:40 ` Stefan Monnier
2010-10-01 23:35 ` Miles Bader
2010-10-02 0:33 ` Lennart Borgman
2010-10-02 7:29 ` Eli Zaretskii
2010-10-02 10:12 ` Lennart Borgman
2010-10-02 10:32 ` Thierry Volpiatto
2010-10-02 10:50 ` Lennart Borgman
2010-10-02 12:01 ` Eli Zaretskii
2010-10-02 14:51 ` Lennart Borgman
2010-10-02 15:05 ` Thierry Volpiatto
2010-10-02 15:23 ` Eli Zaretskii
2010-10-02 15:56 ` Lennart Borgman
2010-10-02 20:40 ` Mathias Dahl
2010-10-02 22:20 ` Eli Zaretskii
2010-10-03 0:35 ` David Robinow
2010-10-03 4:05 ` Eli Zaretskii
2010-10-03 4:29 ` David Robinow
2010-10-03 5:39 ` Eli Zaretskii
2010-10-03 7:25 ` Thierry Volpiatto
2010-10-03 4:10 ` Lennart Borgman
2010-10-03 10:39 ` Thierry Volpiatto
2010-10-03 13:23 ` Thierry Volpiatto
2010-10-03 19:09 ` Eli Zaretskii
2010-10-03 22:50 ` Lennart Borgman
2010-10-05 0:46 ` Lennart Borgman
2010-10-05 0:51 ` Lennart Borgman
2010-10-05 0:56 ` Juanma Barranquero
2010-10-05 1:36 ` Lennart Borgman
2010-10-05 1:37 ` Lennart Borgman
2010-10-05 1:54 ` Juanma Barranquero
2010-10-02 11:59 ` Eli Zaretskii
2010-10-02 12:44 ` Lennart Borgman
2010-10-02 13:15 ` Eli Zaretskii
2010-10-01 7:09 ` Eli Zaretskii
2010-10-01 4:00 ` Stephen J. Turnbull
2010-10-01 7:03 ` Eli Zaretskii
2010-10-01 7:29 ` Eli Zaretskii
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