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Re: ISSUE-135 (html5 rel values): RDFa Lite and non-RDFa @rel values [RDFa 1.1 in HTML5]

From: Ivan Herman <ivan@w3.org>
Date: Mon, 21 May 2012 14:53:40 +0200
Cc: RDF Web Applications Working Group <public-rdfa-wg@w3.org>, sysbot+tracker@w3.org
Message-Id: <F8B09FD4-321A-4F90-83C1-3988A3ABC79E@w3.org>
To: Toby Inkster <tai@g5n.co.uk>
Toby,

I am afraid this would not be a workable solution for the original problem. The problem[1] is that lambda users will use the, say, @rel="nofollow" attribute, they may not do any validation, ie, they will see the problem. Declaring the combination non-comforming will not help.

Ivan

[1] http://lists.w3.org/Archives/Public/public-rdfa-wg/2012Apr/0073.html

On May 21, 2012, at 13:50 , Toby Inkster wrote:

> On Tue, 24 Apr 2012 06:45:00 +0000
> RDF Web Applications Working Group Issue Tracker
> <sysbot+tracker@w3.org> wrote:
> 
>> Option #1: ignore @rel if it only includes HTML Link types as defined
>> at http://www.w3.org/TR/html5-author/links.html#linkTypes
>> 
>> Option #2: ignore @rel if it does not include any explicit CURIE.
> 
> Here's another option that I thought of this morning.
> 
> Option #3: RDFa processors honour @rel as usual, but RDFa documents are
> non-conforming if rel is used with a non-CURIE, non-URI token within
> the scope of @vocab. Conformance checkers MUST report this.
> 
> This way document authors get told about the potential ambiguity, and
> are required to resolve it to achieve a conforming document, and RDFa
> parsing is consistent between XHTML+RDFa and HTML+RDFa, which helps
> people who want to author polyglot XHTML/HTML content.
> 
> -- 
> Toby A Inkster
> <mailto:mail@tobyinkster.co.uk>
> <http://tobyinkster.co.uk>
> 
> 


----
Ivan Herman, W3C Semantic Web Activity Lead
Home: http://www.w3.org/People/Ivan/
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FOAF: http://www.ivan-herman.net/foaf.rdf
Received on Monday, 21 May 2012 12:50:45 GMT

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