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Re: microdata use cases and Getting data out of poorly written Web pages

From: Sam Ruby <rubys@intertwingly.net>
Date: Wed, 13 May 2009 15:53:00 -0400
Message-ID: <4A0B251C.7030501@intertwingly.net>
To: public-html@w3.org
Smylers wrote:
> Ben Adida writes:
>> Philip Taylor wrote:
>>> * <meta> is moved to head by FF 2.0, FF 3.0, Safari 3.2, Chrome 2.0
>>> * <meta> stays in body in IE6, IE8, Opera 10
>> Interesting changes, thanks for the info. Still seems problematic to
>> me,  especially re <meta>, which is also expected to stay in the body
>> in html5:
>>   http://dev.w3.org/html5/spec/Overview.html#meta
> How would such a problem manifest itself?  Firefox 3 doesn't know about
> the microdata concept or any microdata vocabularies, and as such won't
> be interpreting any microdata regardless of what it does with <meta>.
> A parser that does care about microdata (for example, a search engine
> crawler) and presents that in some way to a user doesn't require that
> user's browser to know about the microdata.

I believe that a use case would be people who write applications in 
JavaScript that run in the browser and access the DOM.  Here's an 
example of such a library for RDFa:


> Smylers

- Sam Ruby
Received on Wednesday, 13 May 2009 19:53:42 UTC

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