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[Bug 12809] Invalid examples using link and meta elements in the body

From: <bugzilla@jessica.w3.org>
Date: Sun, 29 May 2011 16:09:31 +0000
To: public-html-bugzilla@w3.org
Message-Id: <E1QQiYV-0003yT-Re@jessica.w3.org>

--- Comment #3 from Michael[tm] Smith <mike@w3.org> 2011-05-29 16:09:31 UTC ---
(In reply to comment #2) from Peter
> Possibly, but if you contend that this is a bug in the HTML5 spec, then you
> need to open a bug to the HTML5 spec.

There is a part of the "Extensibility" section of the HTML5 spec that contains
some language indicating that other "applicable specifications" can override
conformance criteria given in the HTML5 spec.


Relevant excerpt:

The conformance terminology for documents depends on the nature of the changes
introduced by such applicable specificactions, and on the content and intended
interpretation of the document. Applicable specifications MAY define new
document content (e.g. a foobar element), MAY prohibit certain otherwise
conforming content (e.g. prohibit use of <table>s), or MAY change the
semantics, DOM mappings, or other processing rules for content defined in this

So in this case, the Microdata spec is a such an applicable specification.

All that said, a document that contains Microdata markup such itemscope is not
actually a conforming HTML5 document (not as far as the W3C HTML5 defines it).
It is instead considered a conforming HTML5+Microdata document.

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Received on Sunday, 29 May 2011 16:09:33 UTC

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