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Re: Canvas uses requiring accessibility support

From: Jonas Sicking <jonas@sicking.cc>
Date: Wed, 23 Nov 2011 20:49:40 -0800
Message-ID: <CA+c2ei8pmc5kus1M8Yq08LnN66kSbc2Sp7uOHEzwGSnHSckvSg@mail.gmail.com>
To: Ian Hickson <ian@hixie.ch>
Cc: Steve Faulkner <faulkner.steve@gmail.com>, HTMLWG WG <public-html@w3.org>
On Wed, Nov 23, 2011 at 6:11 PM, Ian Hickson <ian@hixie.ch> wrote:
> On Tue, 22 Nov 2011, Jonas Sicking wrote:
>>
>> However since Ian started the page, I'll leave it to him to say if he
>> agrees with this reasoning and if it would be ok to change the
>> introduction of the wiki page to reflect it.
>
> Your reasining seems about right, though it sounds like I'd be a little
> more ready to err on the side of "using canvas for this is just
> inappropriate" than you would. For example, it seems quite clear to me
> that trying to write a word processor in canvas, for instance, is just a
> fool's errand. The list of reasons why it's a bad idea are extensively
> documented, including in the spec itself which gives a 16-item bulleted
> list of reasons to not do a text editor in canvas.
>
> Canvas has legitimate use cases, as does much of HTML, but that doesn't
> mean we should support _all_ use cases for _all_ features. For example,
> it's inappropriate to use an image map to make a checkbox, and we
> shouldn't support such a use case for image maps. It's inappropriate to
> use <h1>s to make a list, and we shouldn't support that use case for
> headings. It's inapproriate to use <span style=""> to make a coloured
> ASCII art penguin, and we shouldn't support that use case for <span>. We
> should only support use cases for elements where they make sense.
>
> Filling out the "Limitations" section of the wiki page would be hugely
> helpful in determining how we can improve canvas:
>
>   http://wiki.whatwg.org/wiki/Canvas#Limitations_of_real-world_use_cases
>
> Note: Just putting links in the use cases section is not sufficient.

Cool!

Steve: based on this it sounds like you can go ahead and fill out
examples of canvas use in the first section, and descriptions of the
shortcomings in the second section.

Thanks!

/ Jonas
Received on Thursday, 24 November 2011 04:50:38 GMT

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