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Re: link relationship registration

From: Henri Sivonen <hsivonen@iki.fi>
Date: Wed, 10 Dec 2008 10:56:17 -0800
Cc: Mark Nottingham <mnot@mnot.net>, Anne van Kesteren <annevk@opera.com>, "ietf-http-wg@w3.org Group" <ietf-http-wg@w3.org>, Atom Syntax <atom-syntax@imc.org>, www-tag@w3.org, HTML WG <public-html@w3.org>
Message-Id: <9676615E-21CE-4008-828B-529FA16AABF2@iki.fi>
To: Philip TAYLOR (Ret'd) <P.Taylor@Rhul.Ac.Uk>

On Dec 10, 2008, at 10:21, Philip TAYLOR (Ret'd) wrote:

> I cannot reconcile (2) and (5a) :
> Henri Sivonen wrote:
>> 2) If a keyword contains a colon, the keyword must (for document  
>> conformance) be a valid IRI.
> http://www.w3.org/2002/Talks/0715-duerst-iri/slide2-0.html indicates
> that http://www.w3.org/People/Dürst is valid IRI (which could
> hence be a keyword), yet after (5a)
>> 5) Consumers who want to see the world as IRIs (not browsers but  
>> e.g. GRDDL extractors) run the following algorithm to convert a rel  
>> keyword to an IRI:
>>    a) Replace A-Z with a-z.
> this becomes http://www.w3.org/people/dürst, which is not
> the same IRI at all ...

Correct. So it follows that it's a really bad idea to mint IRI-looking  
rel keywords that contain letters A-Z.

This is a bit inelegant but the legacy is constraining us here.

Henri Sivonen
Received on Wednesday, 10 December 2008 18:57:02 UTC

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