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[Bug 13007] should (resolved) itemid be unique within a document?

From: <bugzilla@jessica.w3.org>
Date: Tue, 21 Jun 2011 13:22:11 +0000
To: public-html-bugzilla@w3.org
Message-Id: <E1QZ0uB-0002ki-Py@jessica.w3.org>

Philip Jägenstedt <philipj@opera.com> changed:

           What    |Removed                     |Added
                 CC|                            |philipj@opera.com

--- Comment #1 from Philip Jägenstedt <philipj@opera.com> 2011-06-21 13:22:11 UTC ---
Regarding an example from

<span itemscope itemtype="http://schema.org/WebPage" itemID="#foo">
   <span itemprop="name">My Website and Blog</span>

<span itemscope itemtype="http://schema.org/BlogPost" itemID="#foo"> 
   <a itemprop="url" href="http://example.org/post-4">permalink</span>

The spec talks about itemid as a global identifier, but does not require that
the resolved itemid be unique within a document. Of course it should be
globally unique, but all a validator can usefully check is that it's unique
within the document.

Perhaps wording similar to what's in
would be appropriate?

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Received on Tuesday, 21 June 2011 13:22:17 UTC

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