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Re: ISSUE-139 (Honor xml:base in XHTML5): XHTML5 processing specifically excludes the use of xml:base [RDFa 1.1 in HTML5]

From: Ivan Herman <ivan@w3.org>
Date: Sat, 28 Apr 2012 11:39:43 +0200
Cc: Alex Milowski <alex@milowski.com>
Message-Id: <303D4378-C06C-4E40-A811-4B460B991651@w3.org>
To: RDF Web Applications Working Group <public-rdfa-wg@w3.org>
http://www.w3.org/TR/html5-author/global-attributes.html#the-xml:base-attribute-xml-only 

explicitly allows xml:base for XHTML5. Ie, I am fine with this change.

Ivan

On Apr 28, 2012, at 01:59 , RDF Web Applications Working Group Issue Tracker wrote:

> ISSUE-139 (Honor xml:base in XHTML5): XHTML5 processing specifically excludes the use of xml:base [RDFa 1.1 in HTML5]
> 
> http://www.w3.org/2010/02/rdfa/track/issues/139
> 
> Raised by: Gregg Kellogg
> On product: RDFa 1.1 in HTML5
> 
> Raised on behalf of Alex Milowski.
> 
> 
> Test case 109 has this content:
> 
> <!-- This a NOT a valid XHTML document (due to @xml:base) -->
>     <div xml:base="http://example.org/invalid/">
>        <p about="">This is <span property="dc:title">Test 0109</span>.</p>
>     </div>
> 
> I believe this test case is either invalid or unenforceable.  xml:base
> is an expected feature in many environments (including most browsers).
> Even though some schemata for XHTML may not allow the attribute, its
> presence will change the base URI.  Any DOM processor, like mine, will
> not be able get the answer expected.  In fact, it shouldn't because
> the base URI is determined by intrinsic processing of the document by
> the browser and no other interpretation for an XML document is allowed
> per the XML Base specification.
> 
> 
> 
> 


----
Ivan Herman, W3C Semantic Web Activity Lead
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Received on Saturday, 28 April 2012 09:37:16 GMT

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