On 11 nov 2010, at 23.24, Masataka Ohta wrote:
> Joe Abley wrote:
>
>> http://www.ietf.org/id/draft-liman-tld-names-04.txt
>>
>> is the latest iteration of an effort started quite some time
>> ago to clarify the somewhat vague inference in RFC 1123 and
>> create a more precise specification for the syntax of TLD
>> labels in the DNS. The authors have not received any feedback
>> on this document from the wider DNS community, and would
>> welcome some.
>
> Unlike RFCs 1034 and 1035, it lacks discussion on case
> insensitivities of non-ASCII characters, I'm afraid.
It does:
> A Restricted-A-Label is a DNS-Label which satisfies all the following
> conditions:
>
> 1. the DNS-Label is a valid A-Label according to [RFC5890];
>
> 2. the derived property value of all code points, as defined by
> [RFC5890], is PVALID;
>
> 3. the general category of all code points, is one of { Ll, Lo, Lm,
> Mn }.
If you want more clarification than that (and the reference to RFC5890 where it
is discussed further), please send text.
Patrik
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