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Re: Chracters not unified with Unicode -- any example?


From: Stefan Monnier
Subject: Re: Chracters not unified with Unicode -- any example?
Date: Tue, 10 Jun 2014 15:20:06 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux)

> You will find them in lisp/international/mule-conf.el.  Look for any
> define-charset form which has a :unify-map property.  The :code-offset
> property gives the beginning of the codepoint block for each of these
> charsets, which tells you where in the 0x110000-0x3fff7f range they
> are mapped.

> This is an obscure issue, which is of interest to a select few (maybe
> just one) of the Emacs hackers, that's why it is never described more
> than you found in the documentation.

Indeed, if you need to know the details, ask Kenichi Handa.

IIUC Emacs uses some parts of this area to map some (parts of) asian
charsets such as GBnnnn which contain some chars which aren't (yet)
in Unicode.


        Stefan




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