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From: Richard Stallman <rms@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: [PATCH] Unicode Lisp reader escapes
Date: Wed, 10 May 2006 23:44:54 -0400
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References: <17491.34779.959316.484740@parhasard.net>	<E1FaobM-0005qh-00@etlken>	<ufyjsemrn.fsf@gnu.org>	<E1Fb7ai-0002Yb-00@etlken>	<uy7xjcx5s.fsf@gnu.org>	<87odyfnqcj.fsf-monnier+emacs@gnu.org>	<E1FbSj5-0003RO-00@etlken>	<uk691da3o.fsf@gnu.org>	<17498.27200.911709.330947@parhasard.net>	<e3f682$91m$1@sea.gmane.org>	<E1FcNiN-0004c1-An@fencepost.gnu.org>	<877j4z5had.fsf@gmx.de>	<E1FcbO2-0002U6-0r@fencepost.gnu.org>	<E1FciWf-0007hz-00@etlken>	<87irohfrx1.fsf@gmx.de>
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    Some Han characters in Unicode can be decoded into several
    CJK charsets (e.g. chinese-gb2312, chinese-big5-1,
    japanese-jisx0208).  current-language-environment decides
    which of them to use.

Through what mechanism does current-language-environment control this
decision?

Can we make a new variable to control this, and have each language
environment set that new variable accordingly?