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Re: Test 0212 versus XML EC14N

From: Gregg Kellogg <gregg@greggkellogg.net>
Date: Mon, 14 May 2012 15:08:22 -0400
To: Toby Inkster <tai@g5n.co.uk>
CC: Ivan Herman <ivan@w3.org>, W3C RDFWA WG <public-rdfa-wg@w3.org>
Message-ID: <B268B275-27FD-4376-8764-6D3F1766C0FC@greggkellogg.net>
On May 14, 2012, at 3:56 AM, Toby Inkster wrote:

> On Mon, 14 May 2012 12:52:29 +0200
> Ivan Herman <ivan@w3.org> wrote:
> 
>> There are significant changes under way in RDFa 1.1 on this.
>> Essentially, on the RDF lexical value side, the requirement of C14N
>> will be gone, any well formed XML fragment is fine (and the equality
>> of RDF Literals will be pushed down to the value space of the
>> literal). 

That's great, but we can't change RDFa 1.0, and I don't believe we'll change RDFa Core 1.1. Most likely, this would go as an additional rule in HTML+RDFa 1.1, and we could exclude the XMLLiteral case.

> Yay!
> 
> But my main point is about the test suite for RDFa 1.0, where test case
> 0212 contradicts the old 0011 and the RDFa 1.0 spec.

What do you think should be produced in this case?

The input is:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.0//EN" "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-1.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" version="XHTML+RDFa 1.0" xmlns:dc="http://purl.org/dc/elements/1.1/">
  <head>
	<title>Test 0212</title>
  </head>
  <body>
	  <!-- In RDFa 1.0, if a literal contains XML elements, and no explicit datatype is set, the result is XMLLiteral -->
  	<div about="http://www.example.org/">
      <h2 property="dc:title">E = mc<sup>2</sup>: The Most Urgent Problem of Our Time</h2>
	</div>
  </body>

</html>

I believe that XML C14N causes the inherited namespaces to be demoted down to the <sup> element. Shouldn't the expected output be the nodeset with the addition of the default and dc namespaces?

"E = mc<sup xmlns=\"http://www.w3.org/1999/xhtml\" xmlns:dc=\"http://purl.org/dc/elements/1.1/\">2</sup>: The Most Urgent Problem of Our Time"^^<http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral> .

What do you think should be produced in this case?

Gregg

> -- 
> Toby A Inkster
> <mailto:mail@tobyinkster.co.uk>
> <http://tobyinkster.co.uk>
> 
> 
Received on Monday, 14 May 2012 19:09:03 GMT

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