W3C home > Mailing lists > Public > public-html-a11y@w3.org > March 2010

Re: change proposal - Provide a method for canvas subtree to be hidden from all users

From: Steven Faulkner <faulkner.steve@gmail.com>
Date: Wed, 17 Mar 2010 22:20:28 -0400
Message-ID: <55687cf81003171920l7426dbcai89aa24f7743a52bc@mail.gmail.com>
To: Ian Hickson <ian@hixie.ch>
Cc: Maciej Stachowiak <mjs@apple.com>, HTML Accessibility Task Force <public-html-a11y@w3.org>
hi ian,
>They should be added because they're essential.
could you define the criteria by which a feature is considered to be
essential?


regards
stevef
On 17 March 2010 21:49, Ian Hickson <ian@hixie.ch> wrote:

> On Wed, 17 Mar 2010, Maciej Stachowiak wrote:
> > On Mar 17, 2010, at 6:25 PM, Ian Hickson wrote:
> > > On Wed, 17 Mar 2010, Maciej Stachowiak wrote:
> > > >
> > > > Well even in that case you are saved one line of script to
> > > > conditionally clear the canvas fallback.
> > >
> > > Why would it be conditional?
> >
> > Because you don't want to clear the fallback in browsers where canvas is
> > not supported. (You also don't want to do any canvas drawing in that
> > case, but you *do* still want to provide alternate content, even if it
> > is generated dynamically).
>
> That conditional is already there, though -- you need it to draw the
> canvas.
>
>
> > I'm still not sure it is a hugely compelling feature, but it does not
> > seem problematic in the same way as prior proposals (like the adom=""
> > proposal or the <accessible> proposal). So while I do not strongly
> > support it, I also cannot find a reason to object.
>
> The reason to object is that it isn't necessary. We must have a minimum
> bar of usefulness for features we add, otherwise the language would
> quadruple in size with lots of minor redundant features. Features
> shouldn't be added because they're harmless. They should be added because
> they're essential.
>
> --
> Ian Hickson               U+1047E                )\._.,--....,'``.    fL
> http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
> Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'
>
>


-- 
with regards

Steve Faulkner
Technical Director - TPG Europe
Director - Web Accessibility Tools Consortium

www.paciellogroup.com | www.wat-c.org
Web Accessibility Toolbar -
http://www.paciellogroup.com/resources/wat-ie-about.html
Received on Thursday, 18 March 2010 02:21:21 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Friday, 27 April 2012 04:42:06 GMT