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Re: bug of display-table & make-glyph-code
From: |
Kenichi Handa |
Subject: |
Re: bug of display-table & make-glyph-code |
Date: |
Mon, 10 Sep 2007 11:43:32 +0900 |
User-agent: |
SEMI/1.14.3 (Ushinoya) FLIM/1.14.2 (Yagi-Nishiguchi) APEL/10.2 Emacs/23.0.0 (i686-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) |
In article <address@hidden>, Richard Stallman <address@hidden> writes:
> But, then, it seems that the design is broken (or got broken
> because of introduction of multibyte characters). It grows
> glyph-table one by one. So, at some point a glyph code is
> simply a character code, but after several calls of
> create-glyph, that same glyph code becomes an index into
> glyph-table, and is displayed differently.
> Those codes are meaningless as characters. They start at 256.
> Meaningful Mule characters codes are much larger.
The current problem is with emacs-unicode-2, and in it, 256
is a valid Unicode character codes for U+0100 (LATIN CAPITAL
LETTER A WITH MACRON).
> If you were to define thousands of glyph codes, you might get into the
> range of meaningful Mule characters. Then indeed things would break.
> So there is a bug, in that this could happen. But it is not the case
> that all use of create-glyph is broken.
> I am not sure whether create-glyph is very useful nowadays.
> Maybe it is obsolete, due to Mule. Who still ses it
> and why does he use it?
I want to know that too.
---
Kenichi Handa
address@hidden
- Re: bug of display-table & make-glyph-code, (continued)
- Re: bug of display-table & make-glyph-code, Kim F. Storm, 2007/09/05
- Re: bug of display-table & make-glyph-code, martin rudalics, 2007/09/05
- Re: bug of display-table & make-glyph-code, Kim F. Storm, 2007/09/05
- Re: bug of display-table & make-glyph-code, Kenichi Handa, 2007/09/07
- Re: bug of display-table & make-glyph-code, Eli Zaretskii, 2007/09/07
- Re: bug of display-table & make-glyph-code, Kenichi Handa, 2007/09/07
- Re: bug of display-table & make-glyph-code, Eli Zaretskii, 2007/09/07
- Re: bug of display-table & make-glyph-code, Richard Stallman, 2007/09/08
- Re: bug of display-table & make-glyph-code,
Kenichi Handa <=
- Re: bug of display-table & make-glyph-code, Eli Zaretskii, 2007/09/09
- Re: bug of display-table & make-glyph-code, Richard Stallman, 2007/09/07
- Re: bug of display-table & make-glyph-code, Richard Stallman, 2007/09/09
- Re: bug of display-table & make-glyph-code, Kenichi Handa, 2007/09/10
- Re: bug of display-table & make-glyph-code, Stefan Monnier, 2007/09/10
- Re: bug of display-table & make-glyph-code, Kenichi Handa, 2007/09/10
- Re: bug of display-table & make-glyph-code, Kim F. Storm, 2007/09/10
- Re: bug of display-table & make-glyph-code, Leo, 2007/09/11
- Re: bug of display-table & make-glyph-code, Stefan Monnier, 2007/09/11
- Re: bug of display-table & make-glyph-code, Richard Stallman, 2007/09/11