From: Eli Zaretskii <eliz@gnu.org>
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: grishka@gmx.de, handa@m17n.org, monnier@iro.umontreal.ca,
emacs-devel@gnu.org
Subject: Re: Case mapping of sharp s
Date: Sat, 21 Nov 2009 13:45:14 +0200 [thread overview]
Message-ID: <83fx88p0dx.fsf@gnu.org> (raw)
In-Reply-To: <m2iqd4te6c.fsf@igel.home>
> From: Andreas Schwab <schwab@linux-m68k.org>
> Date: Sat, 21 Nov 2009 10:33:47 +0100
> Cc: grischka <grishka@gmx.de>, emacs-devel@gnu.org, monnier@iro.umontreal.ca,
> handa@m17n.org
>
> Eli Zaretskii <eliz@gnu.org> writes:
>
> > CHAR_TO_BYTE could be expensive, yes. But how else can you convert an
> > arbitrary character position to the corresponding byte position? When
> > you scan forward, you know the byte length of a multi-byte UTF-8
> > sequence by the first byte, but what do you do when you scan backwards?
>
> The first byte of a UTF-8 sequence is easily recognizable, so finding
> out the length of the previous UTF-8 sequence is nearly as easy (see
> DEC_POS).
I guess simple_search should use DEC_POS, then.
next prev parent reply other threads:[~2009-11-21 11:45 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-19 19:48 Case mapping of sharp s grischka
2009-11-19 21:49 ` Stefan Monnier
2009-11-19 22:43 ` David Kastrup
2009-11-20 2:08 ` Stefan Monnier
2009-11-20 8:03 ` David Kastrup
2009-11-20 14:14 ` Stefan Monnier
2009-11-20 3:41 ` Stephen J. Turnbull
2009-11-20 4:20 ` Stefan Monnier
2009-11-20 7:13 ` Stephen J. Turnbull
2009-11-21 0:02 ` Richard Stallman
2009-11-21 12:39 ` David Kastrup
2009-11-21 17:40 ` Stephen J. Turnbull
2009-11-21 19:15 ` Eli Zaretskii
2009-11-22 2:58 ` Stephen J. Turnbull
2009-11-22 4:28 ` Eli Zaretskii
2009-11-22 8:27 ` Stephen J. Turnbull
2009-11-23 1:30 ` Kenichi Handa
2009-11-21 22:52 ` Richard Stallman
2009-11-20 8:10 ` Ulrich Mueller
2009-11-20 11:46 ` Stephen J. Turnbull
2009-11-20 14:43 ` Ulrich Mueller
2009-11-21 4:33 ` Stephen J. Turnbull
2009-11-19 23:25 ` grischka
2009-11-20 2:11 ` Stefan Monnier
2009-11-21 3:08 ` grischka
2009-11-21 8:58 ` Eli Zaretskii
2009-11-21 9:33 ` Andreas Schwab
2009-11-21 11:45 ` Eli Zaretskii [this message]
2009-11-21 15:33 ` grischka
2009-11-21 10:41 ` Ulrich Mueller
2009-11-21 11:58 ` Andreas Schwab
2009-11-21 17:01 ` Ulrich Mueller
2009-11-22 12:11 ` Andreas Schwab
2009-11-22 20:15 ` Stefan Monnier
2009-11-24 12:26 ` Kenichi Handa
2009-11-24 19:23 ` grischka
2009-11-25 2:13 ` Kenichi Handa
2009-11-26 13:07 ` grischka
2009-11-29 22:03 ` Juri Linkov
2009-11-30 1:22 ` Stefan Monnier
2009-11-30 1:28 ` Kenichi Handa
2009-11-30 1:36 ` Kenichi Handa
2009-11-30 7:01 ` Ulrich Mueller
2009-11-30 12:01 ` Juri Linkov
2009-11-30 13:09 ` martin rudalics
2009-11-30 21:57 ` Juri Linkov
2009-11-30 22:34 ` Ulrich Mueller
2009-12-01 0:02 ` Juri Linkov
-- strict thread matches above, loose matches on Subject: below --
2009-11-15 14:29 Ulrich Mueller
2009-11-16 12:06 ` Kenichi Handa
2009-11-16 16:38 ` Ulrich Mueller
2009-11-17 7:36 ` Kenichi Handa
2009-11-17 21:23 ` Reiner Steib
2009-11-16 19:12 ` Eli Zaretskii
2009-11-17 7:43 ` martin rudalics
2009-11-17 7:49 ` Kenichi Handa
2009-11-17 18:56 ` Eli Zaretskii
2009-11-18 1:00 ` Kenichi Handa
2009-11-18 4:09 ` Eli Zaretskii
2009-11-18 5:33 ` Stephen J. Turnbull
2009-11-18 6:26 ` Kenichi Handa
2009-11-18 14:44 ` Stefan Monnier
2009-11-18 19:05 ` Ulrich Mueller
2009-11-19 1:16 ` Stefan Monnier
2009-11-18 17:58 ` Eli Zaretskii
2009-11-19 1:57 ` Stephen J. Turnbull
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