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Re: [DNSOP] Looking for IANA registry for --xn

"Paul Hoffman" <paul.hoffman@vpnc.org> Thu, 06 October 2016 18:10 UTC

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From: "Paul Hoffman" <paul.hoffman@vpnc.org>
To: "Phillip Hallam-Baker" <phill@hallambaker.com>
Date: Thu, 06 Oct 2016 11:10:04 -0700
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Subject: Re: [DNSOP] Looking for IANA registry for --xn
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On 6 Oct 2016, at 10:08, Phillip Hallam-Baker wrote:

> I have been looking for the IANA registry in which the IDNA prefix 
> xn-- is
> allocated and have not been able to find it. I can see the following
> possibilities
>
> 1) There isn't such a registry. The allocation is purely ad hoc
>
> 2) There is a registry but none of the IDNA RFCs bother to list it as 
> a
> normative reference.

It is #1. It is defined in the IDNA RFCs as a single value. If you want 
to change IDNA, you need to update the RFC.

--Paul Hoffman

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