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[Bug 13150] Behavior of multiple @itemid values in the same document

From: <bugzilla@jessica.w3.org>
Date: Wed, 06 Jul 2011 18:39:09 +0000
To: public-html-bugzilla@w3.org
Message-Id: <E1QeX09-0004O2-Hp@jessica.w3.org>

Tab Atkins Jr. <jackalmage@gmail.com> changed:

           What    |Removed                     |Added
                 CC|                            |jackalmage@gmail.com

--- Comment #2 from Tab Atkins Jr. <jackalmage@gmail.com> 2011-07-06 18:39:08 UTC ---
This doesn't seem reasonable.  @itemid identifies a global subject for a set of
triples.  You can specify multiple different sets of triples for the same
global object, using different vocabularies.  It doesn't seem useful or
reasonable to merge these into a single Microdata item.

For example, I may mark up, on the same page, a review of a book and purchasing
information about the book, using two different vocabs but using @itemid to
specify they're both about the same book.

When reading out the review item I wouldn't want the data to be polluted with
purchasing information, and vice versa.

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Received on Wednesday, 6 July 2011 18:39:15 UTC

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