[Bug 13447] New: SVG content model VENN diagram needs to be made accessible [3.2.5.1 Kinds of content/content-venn.svg].

http://www.w3.org/Bugs/Public/show_bug.cgi?id=13447

           Summary: SVG content model VENN diagram needs to be made
                    accessible [3.2.5.1 Kinds of
                    content/content-venn.svg].
           Product: HTML WG
           Version: unspecified
          Platform: PC
               URL: http://www.w3.org/TR/2011/WD-html5-20110525/content-mo
                    dels.html#content-models
        OS/Version: All
            Status: NEW
          Keywords: a11y, a11ytf
          Severity: normal
          Priority: P2
         Component: HTML5 spec (editor: Ian Hickson)
        AssignedTo: ian@hixie.ch
        ReportedBy: joshue.oconnor@cfit.ie
         QAContact: public-html-bugzilla@w3.org
                CC: mike@w3.org, public-html-wg-issue-tracking@w3.org,
                    public-html@w3.org, public-html-a11y@w3.org


Issues – On focus the SVG diagram container is just announces as ‘Frame 0’.
This is in breach of WCAG as the frame needs a suitable title that describes
the diagram such as @longdesc or ARIA describedby.

Also the SVG diagram isn’t keyboard accessible, the descriptions of each of the
nodes only appear on mouse over events. They should also be able to be
triggered via the keyboard. 

The fallback diagram ‘content-venn.png’ for where SCG is un-supported etc also
needs alternate text to be applied in a way that is accessible. It currently
isn’t, as the alternate text of the .png document is not announced when the
diagram is parsed by Assistive Technology.

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Received on Friday, 29 July 2011 07:35:34 UTC