From: Kenichi Handa <handa@m17n.org>
To: Eli Zaretskii <eliz@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: Compositions and bidi display
Date: Wed, 28 Apr 2010 13:01:10 +0900 [thread overview]
Message-ID: <tl7och4gr95.fsf@m17n.org> (raw)
In-Reply-To: <83mxwoxo1t.fsf@gnu.org> (message from Eli Zaretskii on Wed, 28 Apr 2010 06:18:22 +0300)
In article <83mxwoxo1t.fsf@gnu.org>, Eli Zaretskii <eliz@gnu.org> writes:
> > Provided that uppercase letters denote Hebrew consonants,
> > lowercase denotes Hebrew diacriticals, a buffer has the
> > character sequence "AaBbCc", CHARPOS is the position of 'c',
> > ENDPOS is the position of 'A'.
> > [...]
> > To do all of them, perhaps all I need is to know the way to
> > find the correct ENDPOS. Please tell me how to do that.
> What is the definition of ENDPOS? If that's the beginning of the
> composition sequence, that's the same question I asked, for which I
> don't know the answer. If that's the other end of the R2L run of
> characters,
Yes, that one.
> you need to iterate with bidi_get_next_char_visually until
> some condition (which I cannot yet formulate) is
> satisfied. But note that this is tricky, because the bidi
> iteration changes direction and jumps at will.
The condition should be "until it reaches a character that
should never be composed with the currently looking
character". We may be able to simplify that condition to
"until it reaches a character in the different bidi level
(or chunk)".
---
Kenichi Handa
handa@m17n.org
next prev parent reply other threads:[~2010-04-28 4:01 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-19 20:50 bug#5977: 24.0.50; Lao HELLO is incorrectly displayed Peter Dyballa
2010-04-19 23:15 ` Jason Rumney
2010-04-20 9:14 ` Eli Zaretskii
2010-04-20 23:16 ` Jason Rumney
2010-04-20 9:06 ` Eli Zaretskii
2010-04-20 10:28 ` Peter Dyballa
2010-04-20 12:17 ` Eli Zaretskii
2010-04-23 18:31 ` Eli Zaretskii
2010-04-21 2:32 ` Kenichi Handa
2010-04-23 18:52 ` Compositions and bidi display (was: bug#5977: 24.0.50; Lao HELLO is incorrectly displayed) Eli Zaretskii
2010-04-23 20:34 ` Andreas Schwab
2010-04-23 20:43 ` Eli Zaretskii
2010-04-24 11:27 ` Eli Zaretskii
2010-04-26 2:09 ` Kenichi Handa
2010-04-26 2:38 ` Kenichi Handa
2010-04-26 11:29 ` Kenichi Handa
2010-04-26 18:40 ` Compositions and bidi display Eli Zaretskii
2010-04-27 12:15 ` Kenichi Handa
2010-04-28 3:18 ` Eli Zaretskii
2010-04-28 4:01 ` Kenichi Handa [this message]
2010-04-28 17:38 ` Eli Zaretskii
2010-04-28 22:49 ` Stefan Monnier
2010-04-29 3:12 ` Eli Zaretskii
2010-04-30 2:28 ` Kenichi Handa
2010-04-30 6:41 ` Eli Zaretskii
2010-04-30 6:06 ` Kenichi Handa
2010-04-30 7:08 ` Eli Zaretskii
2010-05-03 2:39 ` Kenichi Handa
2010-05-03 7:31 ` Eli Zaretskii
2010-05-04 9:19 ` Kenichi Handa
2010-05-04 17:47 ` Eli Zaretskii
2010-04-30 10:07 ` Eli Zaretskii
2010-04-30 12:12 ` Kenichi Handa
2010-04-30 13:15 ` Eli Zaretskii
2010-04-27 3:13 ` Compositions and bidi display (was: bug#5977: 24.0.50; Lao HELLO is incorrectly displayed) Eli Zaretskii
2010-04-27 12:26 ` Kenichi Handa
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