I asked my IDNA expert, who said that the definitive answer is "it
depends". He suggests our chair ask our AD to check with the IESG.
Our chair is asking our AD to check.
We have the IESG's answer: we should change the reference to RFC 5890
and change the text to use A-labels, as John recommended. That will
NOT be considered a major change, and will allow us to proceed to
Draft Standard with this version of the spec.
Barry, as chair
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