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Date:	Mon, 15 Jun 2009 17:14:20 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com, newlib AT sourceware DOT org
Subject:	Re: [PATCH] Add "@cjknarrow" modifier (was Re: [Fwd: [1.7] wcwidth failing configure tests])
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On Jun 15 23:35, IWAMURO Motonori wrote:
> 2009/6/15 Corinna Vinschen:
> > If everybody agrees to this suggestion, here's the patch.
> 
> Is the name of modifier prefix "cjk-" good? It influences not CJK
> characters but a part of symbols and European characters.
> Please refer to Andy's opinion:
> http://cygwin.com/ml/cygwin/2009-06/msg00240.html
> 
> It personally proposes "ambinarrow" because the switch of Vim is "ambiwidth".

I think "cjk" in the name is the right choice.  There are no ambiguous
characters in western languages (well, probably there are, but the
ambiguity is not on the level of character widths).  This is a problem
which only has a meaning in these so called CJK languages.  It makes
sense to me to use this in the modifier name.

> And, I don't think that it is symmetrical. How about the following
> patch? (I have not changed the name of modifier prefix)

I'm not convinced that we need symmetry.  It looks like a nice idea for
Cygwin or newlib, given that the setlocale language string is checked
and picked to pieces hardcoded in the loadlocale function.

However, besides of being unnecessary, other systems like Linux or BSD
use the language string as directory name relative to the
/usr/share/locale directory.  If this gets ever used on non-Cygwin
systems, the symmetry (which has no precedent in the locale arena) would
require these systems to create yet another subdirectory or symlink for
the same purpose.  Even worse, if you propose that @cjkwide is a valid
modifier for *any* language, you would make the whole mechanism on
non-newlib based systems more complicated for no apparent reason.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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