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Microdata: itemid attribute (feedback)

From: Martin McEvoy <martin@weborganics.co.uk>
Date: Sat, 24 Oct 2009 16:37:38 +0100
Message-ID: <4AE31F42.7040001@weborganics.co.uk>
To: public-html@w3.org
Hello All

Just some thoughts on the itemid and the itemref attributes

I am unsure if itemid has any actual practical use (either that of I am 
misunderstanding something).

Itemid is used as a global Identifier for an Item, its value must be 
valid absolute url, what I am unsure of is how to actually use this? 
here is how I am guessing it should be used.

<div id="a"
    <a itemprop="url fn org" href="http://organization.com/">
      Example Oranization

If this is correct then it seems a little like I am repeating data that 
already exists? itemid seems like it is just a long form version of the 
data available using id.  I do see  itemid as being useful for data that 
is *not* a url in the traditional sense, such as in the example that 
uses urn's


Martin McEvoy

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Received on Saturday, 24 October 2009 15:38:13 UTC

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