Allowed characters (was: Re: Casefolding Sigma (was: Re: IDNAbis Preprocessing Draft)

Michael Everson everson at
Sun Mar 30 14:16:05 CEST 2008

At 14:13 +0200 2008-03-30, Patrik Fältström wrote:
>On 30 mar 2008, at 14.05, Michael Everson wrote:
>>The group here wants to understand why is 0675 
>>disallowed while 0622 is not. Can you give us 
>>an explicit answer?
>Because 0675 is not stable under 
>NFKC/casefolding, while 0622 is stable. I.e. 
>0622 matches category A, while 0675 matches 
>categories A and B.

Thank you.
Michael Everson *

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