Re: [idn] Case-insensitiveness of prefix

[=?ks_c_5601-1987?B?dHNlbmdsbUDNqtjR8enj/S7x6dPeLnR3?= <tsenglm@cc.ncu.edu.tw>]

----- Original Message -----
From: "YangWoo Ko" <newcat@spsoft.co.kr>
To: <idn@ops.ietf.org>
Sent: Sunday, November 11, 2001 9:30 PM
Subject: [idn] Case-insensitiveness of prefix


> According to Section 5. of last IDNA document
(draft-ietf-idn-idna-04.txt),
> "It(=prefix) MUST be recognized in a case-insensitive manner."

    " recognized " means the answer. That is say: { BQ--, bq--, Bq--, bQ-- }
are recognized as the same . There are no over-specification that MUST  be
forced these case to converted to lower case.

>
> I could not understand implications of that statement. Does it mean that
> IDNA prohibit the use of case information of prefix for any purpose ?
>
> For example, case information of prefix may be utilized as a parity check
> for any purpose.
>
> --
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