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Comment on ISSUE-126 (was Re: Telecon Agenda - May 3rd 2012, 1500 UTC)

From: Ivan Herman <ivan@w3.org>
Date: Thu, 3 May 2012 15:10:35 +0200
Cc: RDFa WG <public-rdfa-wg@w3.org>
Message-Id: <0B681F8A-21DB-4D88-97B2-3E7FBB42BABF@w3.org>
To: Manu Sporny <msporny@digitalbazaar.com>
I just do not want to forget this, related to to ISSUE-126:

RDFa Core says, on error:

"An rdfa:Error must be generated when the document fails to be fully processed as a result of non-conformant Host Language markup."

What this suggests is that, if an xmlns is seen and is reported as an error, then the RDFa processing would have to stop. Apart from the fact that this is a problem with older content that is served as text/html (ie, would be interpreted as HTML5), it also contradicts the general philosophy of HTML5 that tries to reasonably interpret any HTML5 content out there. Therefore I do not think we should report an error for @xmlns.

However, I think it would perfectly o.k., nay, would be good, if we prescribed in HTML5 that a warning should be generated in those cases.

Just my 2 cents... See you later

On May 2, 2012, at 21:59 , Manu Sporny wrote:

> Hi all,
> 
> The telecon this week will cover some very minor PR issues and then the
> final set of HTML+RDFa issues that we wanted to discuss.
> 
> Below is the preliminary agenda for our telecon. If you have any
> additions or modifications to the agenda, please send them to the
> mailing list or mention them on the telecon before we get started.
> 
> ==========
> Thursday, May 3rd, 2012
> Time: 1400 UTC, 7am San Francisco, 10am Boston, 3pm London
> W3C Zakim bridge, telecon code: RDFA (7332)
>   SIP: zakim@voip.w3.org
>   Phone US: +1.617.761.6200
> irc://irc.w3.org:6665/#rdfa
> Duration: 60 minutes
> Scribe: Ted, Steven, Niklas, Manu, Gregg, Shane
> ==========
> 
> Agenda
> ------
> 
> 1. Remaining editorial changes
>   * Introductory text clarification on RDFa Lite (Liam Quin [1])
>   * Clarification on the meaning of @about="[]" (Alex Milowski, [2])
>   * Spelling out the case of empty list generation (Alex Milowski and
> Gregg Kellogg, [3,4])
> 2. ISSUE-126: Can use of xmlns: be reported as an error?
>   * http://www.w3.org/2010/02/rdfa/track/issues/126
> 3. ISSUE-135: RDFa Lite and non-RDFa @rel values
>   * http://www.w3.org/2010/02/rdfa/track/issues/135
> 4. ISSUE-137: HTML+RDFa should normatively declare media types
>   * http://www.w3.org/2010/02/rdfa/track/issues/137
> 5. ISSUE-139: Honor xml:base in XHTML5
>   * http://www.w3.org/2010/02/rdfa/track/issues/139
> 6. ISSUE-140: Support for @data attribute
>   * https://www.w3.org/2010/02/rdfa/track/issues/140
> 7. ISSUE-141: @datetime datatype matching
>   * https://www.w3.org/2010/02/rdfa/track/issues/141
> 
> -- manu
> 
> [1] http://www.w3.org/mid/1335828395.4787.9.camel@localhost.localdomain
> [2]
> http://www.w3.org/mid/CABp3FNLGR=Q9F3j9jkAfDx9=6xMoH9DGmPG00wfOTscn82xB5A@mail.gmail.com
> [3]
> http://www.w3.org/mid/E6D4EFA0-587A-45A3-84FE-C0E65C90E413@greggkellogg.net
> [4]
> http://www.w3.org/mid/CABp3FNJh0zJZXeHu=f-DwioZpBjMtCzPVB=+QAN_qYB7DHFu3A@mail.gmail.com
> 
> --
> Manu Sporny (skype: msporny, twitter: manusporny)
> President/CEO - Digital Bazaar, Inc.
> blog: PaySwarm Website for Developers Launched
> http://digitalbazaar.com/2012/02/22/new-payswarm-alpha/
> 
> 


----
Ivan Herman, W3C Semantic Web Activity Lead
Home: http://www.w3.org/People/Ivan/
mobile: +31-641044153
FOAF: http://www.ivan-herman.net/foaf.rdf
Received on Thursday, 3 May 2012 13:08:07 GMT

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