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From: Eli Zaretskii <eliz@gnu.org>
To: Kenichi Handa <handa@m17n.org>
Cc: emacs-devel@gnu.org
Subject: Re: raw-byte and char-table
Date: Tue, 24 Aug 2010 06:06:11 +0300	[thread overview]
Message-ID: <83eidoogkc.fsf@gnu.org> (raw)
In-Reply-To: <tl7pqx84xxg.fsf@m17n.org>

> From: Kenichi Handa <handa@m17n.org>
> Date: Tue, 24 Aug 2010 10:11:23 +0900
> 
> A char-table is a table indexed by a character code.  So,
> it's 0xA0th element is a value for a character U+00A0.
> Then, how to set/get a value for raw-byte 0xA0?  Currently,
> this is the way to do that:
> 
>   (aref CHAR-TABLE (unibyte-char-to-multibyte #xA0))
>   (aset CHAR-TABLE (unibyte-char-to-multibyte #xA0) VALUE)

One could also use the codepoint of the corresponding eight-bit
character directly, no?  I mean, unibyte-char-to-multibyte is just the
way of getting that codepoint, right?

> But, this is not documented.  Should we document it?

Yes, IMO.

> Should we change the above code and all other codes setting
> 0x80th..0xA0th elements of a display table?

Yes.  IMO, we should consistently use the codepoints of eight-bit
characters in all char-tables.



  reply	other threads:[~2010-08-24  3:06 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-24  1:11 raw-byte and char-table Kenichi Handa
2010-08-24  3:06 ` Eli Zaretskii [this message]
2010-08-24  4:29   ` Kenichi Handa
2010-08-24 17:08     ` Eli Zaretskii
2010-08-25  4:05       ` Kenichi Handa
2010-08-26  0:01         ` Stefan Monnier
  -- strict thread matches above, loose matches on Subject: below --
2010-08-26  2:58 MON KEY
2010-08-26  3:34 ` Kenichi Handa
2010-08-26  5:30   ` MON KEY
2010-08-26  6:48     ` Kenichi Handa
2010-08-26  7:09       ` Miles Bader
2010-08-27  3:30         ` MON KEY
2010-08-27  3:45           ` Kenichi Handa

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