>>> [BA] If the domain slot is IDN-aware, wouldn't it make sense to
>> prefer
>>> a U-label? Also, I don't think you want to allow an FQDN that is
>>> a mixture of U-labels and A-labels.
>>
>> I've read the relevant sections 5 times now. I think that you are
>> right, U-label is what we're looking for. The fact that you _can_
>> mix label types, doesn't mean that you should.
>
> Whoops, let me correct that after a sixth read. IDNA distinguishes
> between U-label and NR-LDH-label. If we only allow U-label, we can't
> use simple domain names like "example.com". The text becomes:
>
> This <xref target="I-D.ietf-idnabis-defs">IDN-aware domain name
> slot</xref> is formed from any sequence of valid U-labels or
> NR-LDH-labels.
Good catch.
Peter
--
Peter Saint-Andre
https://stpeter.im/
