----- Original Message ----- 
From: "David Hopwood" <[EMAIL PROTECTED]>
To: "Soobok Lee" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Tuesday, November 13, 2001 9:05 AM
Subject: Re: Hangul and IDN (was Re: [idn] reordering strawpoll)


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> 
> Soobok Lee wrote:
> > Hi, Kent
> > Welcome to hangul problems.
> > You may have missed "hangulchar" I-D in WG pool.
> > Your analysis is thorough, but seems to be already addressed by the I-D.
> 
> AFAICS, draft-ietf-idn-hangeulchar-00.txt doesn't talk about this issue
> (equivalence of Jamo clusters) at all. Have I missed something?

one of the jamo sequence he raised was illegal one ( choseong+jungseong+filler is 
illegal,
choseong+jungseong is enough). stand-alone filler (looks like space) is illegal use.

NFC already  map modern jamo sequences into modern hangul syllables. But,
Some illegal jamo/filler sequence are left unfiltered/unchanged and that cencern was 
raised
in the I-D.  I had proposed  such illegal/abnormal jamo/filler sequence should be
prohibited by nameprep. But, some nameprep authors are reluctant  to 
hard code such cases, because current UTC has no standard code for such case.
Instead, filtering out by registrations was proposed by them. 
currently not resolved issues.

Soobok Lee

> 
> - -- 
> David Hopwood <[EMAIL PROTECTED]>
> 
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