Meaning of PUA characters (was: Re: Java char and Unicode 3.0+)

From: Doug Ewell (dewell@adelphia.net)
Date: Thu Oct 16 2003 - 23:45:35 CST


Michael Everson <everson at evertype dot com> wrote:

> There is no such thing as a semi-private character. There are
> standardized characters (which have particular meanings), and there
> are private use characters (which are guaranteed to have no meanings
> at all).

I thought PUA characters had very specific meanings, defined by the
private parties who assign them, but utterly ignored by the standard.

What Philippe may have meant by "semi-private characters" is "characters
whose privately assigned meanings have been publicized." This would
include CSUR scripts, Apple's and Microsoft's assorted ligatures and
dingbats, and William Overington's stuff.

-Doug Ewell
 Fullerton, California
 http://users.adelphia.net/~dewell/



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