From: Mark Davis (email@example.com)
Date: Thu Apr 24 2003 - 14:14:41 EDT
With just a little bit of Perl hackery, one could sift through all of the charsets on
http://oss.software.ibm.com/icu/charset/, accumulating all of the PUA characters used there.
Anything left over would be pretty clear (currently).
IBM, MS 50-2/B11, 5600 Cottle Rd, SJ CA 95193
fax: (408) 256-0799
----- Original Message -----
From: "Doug Ewell" <firstname.lastname@example.org>
To: "Unicode Mailing List" <email@example.com>
Cc: "Michael (michka) Kaplan" <firstname.lastname@example.org>; "Michael Everson" <email@example.com>
Sent: Thursday, April 24, 2003 08:46
Subject: Re: Private Use Area
> Michael (michka) Kaplan <michka at trigeminal dot com> wrote:
> > Unless you write your OS and your apps, you have to assume that
> > anyone or veryone may be using some random piece of the PUA and not
> > explaining it. Apps may try not to do this, and OSes may try to do
> > the same, but assuming that someone will not stomp on them is a true
> > and tried recipe for disappointment....
> I'm sure Michael already knew this, and just wanted to know what pieces
> have *already* been stomped on.
> I think information like this, about what ranges in the PUA have been
> used by what organizations for what general purpose, might make a good
> Technical Note. This is *not* a suggestion that the Unicode Consortium
> or UTC "standardize" or "sanction" or "approve" any of these uses, or
> list the code point allocations in detail. Just a description of the
> ranges, vendor/government/user, and general purpose of the allocated
> range (e.g. "additional Han characters," "presentation glyphs," or
> "artificial and constructed scripts").
> This might help people like Michael who want to assign one or more PUA
> code points without stomping on those who got there first.
> If anyone would like to send me this type of information, I can try to
> organize it into a Web page. I already know about:
> * the ConScript Unicode Registry,
> * assignments in Microsoft's Verdana Ref font, documented in Asmus
> Freytag's "What Is This Character?" PDF file,
> * assignments made by the Chinese government for GB 18030, and
> * William Overington's various PUA projects.
> -Doug Ewell
> Fullerton, California
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