[urn] Re: Registration request for AR URN Namespace

Peter Saint-Andre <[email protected]> Tue, 27 Jan 2026 08:12:07 -0700
Newsgroups gmane.ietf.urn
Message-ID <[email protected]>
On 1/26/26 9:55 PM, [email protected] wrote:
> Hi Dale and Peter,
> 
> Thank you for the clarity, we only ever intent to set our extension to 
> be made up if ALPHA, DIGIT, hyphen and dot and now I fully understand 
> the issue with US 7 bit ASCII. So if I was to include what you have 
> listed in your emails, would that be acceptable (I know that you have 
> tilde I your list but I guess we can keep that in there for our 
> application in case)?

That sounds good to me. The `unreserved` construct from RFC 3986 is 
merely a convenience because it is well known. You can define your own 
ABNF without the tilde if desired.

Peter

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