Re: ISSUE-97 (HTML5 datetime support): Determine if datetime should be supported in HTML5 [RDFa 1.1 in HTML5]

Hi Ivan,

On Mon, Jun 13, 2011 at 9:10 AM, Ivan Herman <ivan@w3.org> wrote:

>
> What I presume you mean is that the datetime attribute is an implicit short
> hand for
>
> content="@datatime value" datatype="xsd:dateTime"
>
> and @data attribute is implicit short hand for @resource
>
> with the understanding that if there _is_ a @content, resp. @resource
> attribute set by the user, that has a priority.
>

yes, that's exactly it, that way HTML5 documents do not have to be tweaked
specifically to work with RDFa 1.1.

Steph.


>
> I am perfectly o.k. with this. It is, conceptually, a shorthand for HTML5
> and does not distort anything on the processing level.
>
> Ivan
>
>
> On Jun 13, 2011, at 14:59 , RDF Web Applications Working Group Issue
> Tracker wrote:
>
> >
> > ISSUE-97 (HTML5 datetime support): Determine if datetime should be
> supported in HTML5 [RDFa 1.1 in HTML5]
> >
> > http://www.w3.org/2010/02/rdfa/track/issues/97
> >
> > Raised by: Manu Sporny
> > On product: RDFa 1.1 in HTML5
> >
> > Stephane Corlosquet writes:
> >
> > http://lists.w3.org/Archives/Public/public-rdfa-wg/2011Jun/0020.html
> >
> > The way microdata property values are processed in HTML5 depends on what
> tag contains the value. For most tags, it's either the text content, or one
> of the usual suspects: @content, @src or @href.
> >
> > There are two tags however in microdata where the property value does not
> come from any of the RDFa attributes. These tags are <time> and <object>
> where the property value comes from @datetime and @data, respectively. It is
> to be expected that HTML5 authors will place relevant values in these
> attributes, and I'm wondering how RDFa 1.1 can target these without
> resorting to adding a content attribute.
> >
> > Let's take the example of <time> which in HTML5 can look like this:
> > <time itemprop="birthday" datetime="2009-05-10">May 10th 2009</time>
> >
> > Does the @content attribute have to be explicitly added in the RDFa form?
> Is there a shorter way to turn that into RDFa than the following one?
> > <time property="birthday" datetime="2009-05-10"
> content="2009-05-10T00:00:00-00:00" datatype="xsd:dateTime">May 10th
> 2009</time>
> >
> > How about the data attribute?
> >
> >
> >
> >
>
>
> ----
> Ivan Herman, W3C Semantic Web Activity Lead
> Home: http://www.w3.org/People/Ivan/
> mobile: +31-641044153
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