[uf-discuss] What do I do when I have images with different licenses on a single page?

Mon Dec 15 10:50:57 PST 2008

Thanks for your quick reply.  I'll look into RDFa.

On Mon, Dec 15, 2008 at 5:37 AM, Toby A Inkster <mail at tobyinkster.co.uk> wrote:
> Jorel Pi wrote:
>
>> If I had a page with 2 images, each having a different license.  What
>> am I supposed to do?
>
> This is a known problem with rel=license, and the reason why rel=license has
> been (at least for now) removed as a component of the current hAudio, figure
> and hRecipe drafts. In general, the scoping of properties is an area where
> microformats have always been murky.
>
>> I was thinking of just using span with the name of the license as the
>> class.
>
>
> This is perfectly good POSH, but obviously no parsers will pay any attention
> to it. If you're looking for something which will be machine readable, then
> you probably want RDFa. RDFa has very clear scoping rules. An example might
> be:
>
>        <img src="foo.jpeg" alt="A Foo">
>        <p>
>          <span about="foo.jpeg">
>            The image above is licensed under
>            <a rel=":license" href="foo.html">Foo licence</a>.
>          </span>
>          <span about="bar.jpeg">
>            The image below is licensed under
>            <a rel=":license" href="bar.html">Bar licence</a>.
>          </span>
>        </p>
>        <img src="bar.jpeg" alt="A Bar">
>
> The colons in the rel values are not actually needed, but they have the
> effect of "masking" the rel="license" from non-RDFa processors. Note that
> the "about" attribute is RDFa-specific, so if you want your page to
> validate, you'll need to use the RDFa doctype, which is:
>
>        <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.0//EN"
>            "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-1.dtd">
>
> --
> Toby A Inkster
> <mailto:mail at tobyinkster.co.uk>
> <http://tobyinkster.co.uk>
>
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