Re: More-than-ASCII chars

From: [email protected]
Subject: [ssax-sxml] More-than-ASCII chars
Date: Fri, 17 Oct 2003 11:15:01 -0700 (PDT)

> Any Java/JVM-based Scheme system should have no problem with implementing
> these functions.

Ah, I'm afraid not.  How about ⠾ ---if the implementation uses
utf-16, it has to become two characters, one's code is #xd800 and
another's is #xdf02.
(Or is there a JVM-based Scheme that does handle surrogate pair as
a single character?)

> Perhaps some of the readers of this list would like to take upon that SRFI?

I put my presentation on ILC2003 about multilingualization (m17n)
support on Scheme on web, in which I suggested several operations
that would be useful to write a portable Scheme programs
across various implementations.

http://www.shiro.dreamhost.com/scheme/docs/ILC2003.html

More discussion is necessary to nail down what operations
are essential, before start thinking about m17n SRFI, though.
If anybody has ideas/optinions on it, I'm eager to hear it.

> Perhaps on some systems that handle Unicode/UCS2
> char-alphabetic? can do all that. If it can, SSAX can handle XML
> documents where _tag_ names themselves (not the character content!)
> are written in Greek, in Kana, or Kanji.  Indeed, according to the XML
> Recommendation, all Kanji are considered letters and may appear
> wherever an ASCII letter is allowed.

That's nice.  Hmm, I need a rather large table to do that, though...

--shiro



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