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Re: Last Call Response to ISSUE-73: RDFa Profile management

From: Ivan Herman <ivan@w3.org>
Date: Wed, 2 Mar 2011 14:55:56 +0100
Cc: Manu Sporny <msporny@digitalbazaar.com>, RDFa WG <public-rdfa-wg@w3.org>
Message-Id: <5797C1B1-5473-48F0-BBF7-B211960406A3@w3.org>
To: Shane McCarron <shane@aptest.com>
Oh I am sorry! I looked at 5.2 only.

Sorry for the noise.

Ivan

On Mar 2, 2011, at 14:36 , Shane McCarron wrote:

> I'm confused.  In XHTML+RDFa section 3, Additional Processing Rules, it says:
> 
>> XHTML+RDFa uses two profiles by default - first incorporating the XML+RDFa profile document http://www.w3.org/profile/rdfa-1.1, and then incorporating the RDFa Profile at http://www.w3.org/profile/html-rdfa-1.1.
> 
> Isn't that what you wanted?
> 
> On 3/2/2011 3:16 AM, Ivan Herman wrote:
>> Sigh, I feel like a ping-pong ball.
>> 
>> Looking at the latest drafts
>> 
>> - I see the sentence you describe below listed in the RDFa Core document (which is fine with me, b.t.w.)
>> - Looking at the XHTML+RDFa version, under section 5.2, it says:
>> 
>> [[[
>> This specification provides a default RDFa Profile. It is available at 
>> http://www.w3.org/profile/html-rdfa-1.1
>> .
>> ]]]
>> 
>> (as an aside: why is this section non-normative?)
>> 
>> This means that, when processing XHTML, a processor must not refer to the the /profile/rdfa-1.1 one, because that is the XML profile. Putting it another way, in order to work properly, the content of rdfa-1.1 (the bunch of prefixes) should be added to the html-rdfa-1.1. This is not what I said in 
>> 
>> 
>> http://lists.w3.org/Archives/Public/public-rdfa-wg/2011Feb/0182.html
>> 
>> 
>> and what Manu agreed with in 
>> 
>> 
>> http://lists.w3.org/Archives/Public/public-rdfa-wg/2011Feb/0184.html
>> 
>> 
>> and which was a reaction on Manu's mail in 
>> 
>> 
>> http://lists.w3.org/Archives/Public/public-rdfa-wg/2011Feb/0180.html
>> 
>> 
>> which was accepted by Shane in 
>> 
>> 
>> http://lists.w3.org/Archives/Public/public-rdfa-wg/2011Feb/0181.html
>> 
>> 
>> So where are we now? We should either say in the XHTML+RDFa document that the XHTML includes _both_ profiles (which is allowed per the text you propose), or we have to agree that the effective profile files would duplicate content.
>> 
>> Ivan
>> 
>> 
>> On Mar 2, 2011, at 01:07 , Manu Sporny wrote:
>> 
>> 
>>> On 03/01/2011 03:22 PM, Shane McCarron wrote:
>>> 
>>>> Sorry to continue on this thread, but...  in RDFa Core we say:
>>>> 
>>>> 
>>>>> The Host Language /may/ define a default RDFa Profile. If it does, the
>>>>> RDFa Profile triples that establish term or URI mappings associated
>>>>> with that profile /must not/ change without changing the profile URI.
>>>>> RDFa Processors /may/ embed, cache, or retrieve the RDFa Profile
>>>>> triples associated with that profile. 
>>>>> 
>>>> We do not say 'the host language may define a bunch of profiles and
>>>> require they all be read in a certain order'.  Is that what we want to
>>>> say?   I have to say that I really hate that. 
>>>> 
>>> Shane and I had a quick chat over Skype to hash some things out about
>>> the paragraph above... I think we settled on this language that Shane
>>> proposed:
>>> 
>>> """
>>> The Host Language MAY require the automatic inclusion of one or more
>>> default RDFa Profiles.  If it does, the RDFa Profile triples that
>>> establish term or URI mappings MUST NOT change without changing the
>>> associated profile URI.  RDFa Processors MAY embed, cache, or retrieve
>>> the RDFa Profile triples associated with that profile.
>>> """
>>> 
>>> -- manu
>>> 
>>> -- 
>>> Manu Sporny (skype: msporny, twitter: manusporny)
>>> President/CEO - Digital Bazaar, Inc.
>>> blog: Towards Universal Web Commerce
>>> 
>>> http://digitalbazaar.com/2011/01/31/web-commerce/
>>> 
>>> 
>>> 
>> 
>> ----
>> Ivan Herman, W3C Semantic Web Activity Lead
>> Home: 
>> http://www.w3.org/People/Ivan/
>> 
>> mobile: +31-641044153
>> PGP Key: 
>> http://www.ivan-herman.net/pgpkey.html
>> 
>> FOAF: 
>> http://www.ivan-herman.net/foaf.rdf
>> 
>> 
>> 
>> 
>> 
>> 
>> 
> 
> -- 
> Shane P. McCarron                          Phone: +1 763 786-8160 x120
> Managing Director                            Fax: +1 763 786-8180
> ApTest Minnesota                            Inet: 
> shane@aptest.com
> 
> 
> 


----
Ivan Herman, W3C Semantic Web Activity Lead
Home: http://www.w3.org/People/Ivan/
mobile: +31-641044153
PGP Key: http://www.ivan-herman.net/pgpkey.html
FOAF: http://www.ivan-herman.net/foaf.rdf






Received on Wednesday, 2 March 2011 13:54:31 UTC

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