> On 5 Feb 2018, at 11:47 pm, Tony Finch <d...@dotat.at> wrote: > > Geoff Huston <g...@apnic.net> wrote: >> >> if not underscores and IF “xm—“ as a leading substring is not acceptable for >> some reason, then what label format would be acceptable for this >> measure? > > Maybe put the -- in the middle somewhere? e.g. is-ta--NNNN not-ta—NNNN >
I thought this was due to some concern over the wording in RFC <mumble>(some IDN RFC whose number I can’t recall right now!) over a comment that the UC label should not contain the starting sequence "<letter> <letter> - -” Is there a broader concern over the use of double hypens in labels in hostname contexts in the DNS? geoff _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop
