I filed registered two bugs related to this problem.
http://www.w3.org/Bugs/Public/show_bug.cgi?id=13176
http://www.w3.org/Bugs/Public/show_bug.cgi?id=13181
Rich Schwerdtfeger
CTO Accessibility Software Group
From:	Charles Pritchard <chuck@jumis.com>
To:	Benjamin Hawkes-Lewis <bhawkeslewis@googlemail.com>
Cc:	Richard Schwerdtfeger/Austin/IBM@IBMUS, "Tab Atkins Jr."
            <jackalmage@gmail.com>, "public-canvas-api@w3.org"
            <public-canvas-api@w3.org>, public-canvas-api-request@w3.org,
            Doug Schepers <schepers@w3.org>
Date:	07/07/2011 01:07 PM
Subject:	Re: You Got Your SVG in my Canvas! Mmm, Delicious!
Sent by:	public-canvas-api-request@w3.org
On 7/7/2011 8:53 AM, Benjamin Hawkes-Lewis wrote:
>> >  Let's stick to the problem at hand. ... canvas. Eventually we will
get to SVG but not today. Canvas is part of HTML and it needs to be fixed.
> SVG is just as much a part of HTML as the canvas context, so I'm
> confused by the implication that it's okay for us to fix any
> accessibility problems with using canvas with HTML before we fix any
> accessibility problems with using SVG with HTML.
Rich is referring to LC and other W3C processes having to do with HTML5.
SVG a11y issues are not blocking issues for HTML5; Canvas issues are
blocking issues.
-Charles