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To: cygwin AT cygwin DOT com
Subject: Re: Japanese/Chinese language question
References: <20100121134055 DOT GE2402 AT calimero DOT vinschen DOT de>
From: Kazuhiro Fujieda <fujieda AT acm DOT org>
Date: Sat, 30 Jan 2010 05:00:24 +0900
In-Reply-To: <20100121134055.GE2402@calimero.vinschen.de> (Corinna Vinschen's message of "Thu\, 21 Jan 2010 14\:40\:55 +0100")
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>>> On Thu, 21 Jan 2010 14:40:55 +0100
>>> Corinna Vinschen said:

> When comparing strings linguistically (strcoll/wcscoll),
>
> - are Hiragana and Katakana forms of the same character to be
>   treated as equal or as different?

They should be treated as different.

> - are half-width and full-width forms of the same CJK character
>   treated as equal or as different?

Different, too.

It is difficult to implement the collation algorithm from
scratch. I recommend to use LCMapString to generate sort keys.
-- 
Kazuhiro Fujieda

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