[whatwg] Support for RDFa in HTML5

Philipp Serafin phil127 at gmail.com
Mon Mar 12 10:16:57 PDT 2012

I admit, I haven't really followed this debate. But out of interest: Is 
it by now actually possible to write any kind of implementation that 
complies to both, the HTML5 *and* the RDFa specification?

Philipp Serafin

Am Dienstag, 2. August 2011 19:32:52 schrieb Ian Hickson:
> On Tue, 2 Aug 2011, aykut.sensoy at bild.de wrote:
>> according to the W3C Specification:
>> http://www.w3.org/TR/rdfa-in-html/
>> 1. the xmlns attribute has been replaced with the prefix attribute
>> example: <html prefix="rdfa: http://www.w3.org/ns/rdfa#"<http://www.w3.org/ns/rdfa#%22>>
>> 2. the RDFa declaration must be defined with the version attribute
>> example: <html version="HTML+RDFa 1.1">
>> Complete example:
>> <html version="HTML+RDFa 1.1" prefix="rdfa: http://www.w3.org/ns/rdfa#"<http://www.w3.org/ns/rdfa#%22>>
>> But both attributes are not supported in HTML5.
>> I would like to know if these attributes will be part of HTML5 or is 
>> there another valid method to integrate RDFa into HTML5?
> Any specification can define extensions to HTML that are then allowed if 
> you use that specification.

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