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FW: Usage of the @role attribute (Fwd: IDPF event at Salon du livre)

From: John Foliot <john@foliot.ca>
Date: Tue, 9 Apr 2013 10:18:34 -0700
To: <w3c-wai-ig@w3.org>
Message-ID: <04a801ce3546$44c77bf0$ce5673d0$@ca>
FYI

> 
> Edward O'Connor wrote:
> >
> > Hi Ivan,
> >
> > You wrote:
> >
> > > [W]hether the @role attribute could be used in EPUB3.01 to replace
> > the
> > > current idpf:type attribute for, say, glossary items.
> >
> > While it's true that the original XHTML2 Role Attribute Module was
> > intended to be a generally extensible metadata attribute, the WAI-
> ARIA
> > role="" attribute in HTML is only intended to provide information to
> > the accessibility layer,
> 
> Two points of clarification: WAI-ARIA is actually host-language
> agnostic, and can be used (in principle) with any mark-up language; for
> example it has been "added" to SVG2 (http://www.w3.org/TR/2013/WD-SVG2-
> 20130409/intro.html#TermARIAAttribute)
> 
> As well, while it is true that currently ARIA attribute values are
> being mapped / passed through to the Accessibility APIs by the
> browsers, there is nothing that forbids those user-agents from doing
> more with those values - and in fact the Candidate Recommendation says
> just that:
> 
> 	"The WAI-ARIA specification neither requires or forbids user
> agents from enhancing native presentation and interaction behaviors on
> the basis of WAI-ARIA markup. Mainstream user agents might expose WAI-
> ARIA navigational landmarks (for example, as a dialog box or through a
> keyboard command) with the intention to facilitate navigation for all
> users. User agents are encouraged to maximize their usefulness to
> users, including users without disabilities."
> Source: http://www.w3.org/TR/wai-aria/introduction#ua-support
> 
> 
> > and should not be used as a general extension
> > point. For general metadata extensions, there are several other
> > solutions, namely Microformats, Microdata, and RDFa.
> 
> Whether or not the @role attribute should be used as another MetaData
> extension as well is (in my opinion) worth discussing, if for no other
> reason than to further explore a continued convergence between
> "accessibility" and main-stream mark-up practices (which *should* be
> the same thing, but often is not perceived as such).
> 
> JF
> 
Received on Tuesday, 9 April 2013 17:19:11 UTC

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