To clarify:
http://www.w3.org/TR/2011/WD-html5-20110405/author/content-models.html#annotations-for-assistive-technology-products-aria
"the presentation role may always be used.". The validator should not
have thrown an error for role=presentation.
The section was made because: "exceptions are intended to prevent
authors from making assistive technology products report nonsensical
states that do not represent the actual state of the document".
These should only be warnings, not errors. The language "Authors must
not" is inappropriate.
-Charles
On 3/12/2012 4:27 PM, Hugh Guiney wrote:
Why not?
I have this in an otherwise-valid HTML5 + SVG 1.1 + MathML 2.0 + RDFa
Lite 1.1 document:
<hgroup>
<h1>Company Name</h1>
<h2 role="presentation">Tagline</h2>
</hgroup>
Spec says:
Authors must not set the ARIA role and aria-* attributes in a manner that
conflicts with the
semantics described in the following table, except that the presentation role
may always be used.
