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

http://www.w3.org/Bugs/Public/show_bug.cgi?id=13007

--- Comment #6 from Manu Sporny <msporny@digitalbazaar.com> 2011-06-21 15:09:44 UTC ---
(In reply to comment #4)
> Offtopic: It might be worth asking on the schema.org mailing list if itemid
> actually means anything when used with their vocabulary.

The issue has more to do with expected behavior than schema.org. I just used
them as an example.

When you use the same @itemid on the page, is the expected behavior that:

1) All properties for the same @itemid are merged with two separate items on
the page.
2) All properties and types for the same @itemid are merged.
3) What happens when somebody does a getItems() and uses one of the itemtypes -
are all properties returned?

I'll delve down deeper into the spec later on tonight, but this was surprising
to me. With RDFa and RDF in general, all things w/ the same "@itemid" would be
merged into a single object with multiple types when retrieved via the RDFa
API.

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Received on Tuesday, 21 June 2011 15:09:51 UTC