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

From: Philip Taylor <pjt47@cam.ac.uk>
Date: Wed, 13 May 2009 19:03:33 +0100
Message-ID: <4A0B0B75.5060705@cam.ac.uk>
To: Ben Adida <ben@adida.net>
CC: public-html@w3.org
Ben Adida wrote:
> Ian's microdata proposal uses <link> in the body of an HTML page:
> http://dev.w3.org/html5/spec/Overview.html#the-link-element
> We tried that with RDFa, but during testing, we realized that Firefox 
> repositions <link> to within <head> in text/html mode, so we spent weeks 
> tweaking RDFa, testing and re-testing. I think this is a prime example 
> of the effort we made to be text/html compatible.
> Does HTML5 intend to break with existing browser mechanisms for handling 
> <link> and <meta>? I thought HTML5 was trying to standardize 
> pre-existing error behaviors.

That behaviour seems to have changed in Firefox 3. Testing with 

* <link> is moved to head by FF 2.0, Safari 3.2
* <link> stays in body in FF 3.0, Chrome 2.0, IE6, IE8, Opera 10
* <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

(FF 3.5 seems to match FF 3.0. Haven't tested WebKit nightlies. HTML5 
says everything should stay in body.)

Philip Taylor
Received on Wednesday, 13 May 2009 18:04:10 UTC

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