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Re: Default value for @about depending on language [Re: Non-XHTML host languages for RDFa]

From: Ivan Herman <ivan@w3.org>
Date: Tue, 01 Dec 2009 10:53:02 +0100
Message-ID: <4B14E77E.4050503@w3.org>
To: Toby Inkster <tai@g5n.co.uk>
CC: Christoph LANGE <ch.lange@jacobs-university.de>, RDFa Developers <public-rdf-in-xhtml-tf@w3.org>

Toby Inkster wrote:
> On Tue, 2009-12-01 at 01:09 +0100, Christoph LANGE wrote:
>> In OMDoc, however, the situation is different.  There, RDFa metadata
>> are attached to elements, and the metadata are always metadata of
>> these elements, and it it recommended to give elements an @xml:id.
>> Therefore, we have in most cases the situation
>> <element xml:id="i" about="#i">
>>   <meta property="onto:foo" content="bar"/>
>>   ...
>> </element>
> You could always lose the @about attribute and mention in your
> documentation that "OMDoc uses RDFa with the following
> modifications...".

Hm. I would try to avoid that...

At the moment, the rdfa distiller has a flag on whether it is XML or
HTML, essentially taking care of things like xml:base and possibly
existing RDF/XML portions. I would hate to have to have all kinds of
different options for different XML applications...

> To be helpful you could provide an XSLT file to transform <element
> xml:id="foo"> to <element xml:id="foo" about="#foo">, which would ease
> the burden on people wishing to apply generic RDFa processors to OMDoc
> documents.

yes, that is a solution. I think having one generic RDFa feature set is
what we should try to achieve...



Ivan Herman, W3C Semantic Web Activity Lead
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Received on Tuesday, 1 December 2009 09:53:39 UTC

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