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RE: Redraft of 5.3

From: Lisa Seeman <seeman@netvision.net.il>
Date: Tue, 11 Mar 2003 16:40:55 +0200
To: w3c-wai-gl@w3.org
Message-id: <018a01c2e7dc$3c0299e0$7200000a@patirsrv.patir.com>

how does this work when  the natural language of the site does not have
adequate user agent support?
All the best,

Lisa Seeman

UnBounded Access

Widen the World Web

lisa@ubaccess.com <mailto:lisa@ubaccess.com>
www.ubaccess.com <http://www.ubaccess.com/>
Tel: +972 (2) 675-1233
Fax: +972 (2) 675-1195

-----Original Message-----
From: w3c-wai-gl-request@w3.org [mailto:w3c-wai-gl-request@w3.org]On
Behalf Of Cynthia Shelly (by way of Wendy A Chisholm <wendy@w3.org>)
Sent: Friday, March 07, 2003 5:41 PM
To: w3c-wai-gl@w3.org
Subject: Redraft of 5.3

Here is my redraft of checkpoint 5.3.  I've attempted to incorporate Lee's
feedback (which included analysis of feedback from a bunch of other people
including Ian).  This draft uses more complicated language than the last,
but I think it makes the intentions more clear.  It's still a little rough,
and I'd be happy to get feedback on both the substance and the language.

I've added a link to UAAG as a success criteria at every level.  These
would be defined as UAAG profiles. We might not need to define a profile
for every level, but I'd like to leave the option open.  I think this gets
rid of the need for 5.4, as the UAAG link was the only piece of 5.4 that
wasn't redundant to some other part of the guidelines.  I still have an
action item to make sure that the guidelines cover interactive content
properly, but assuming they do, 5.4 can go away.

1a may seem obvious, and is in fact self-referential.  I think that it adds
a level of clarity for human readers.  Since this document is intended for
human, not machine reading, I'm not bothered by the self-reference.  I'd
like to hear what others think about this one in particular.

I added the level 2 requirement that the author be able to specify the data
to pass through to access tools.  This would be things like specifying what
letter to use for the shortcut, or which text to read out.  I'm not sure
this is necessary, but it does make it easier for the author to design a
usable alternative interface.

The text of the checkpoint itself and the informative benefits section are

So, here it is...

Checkpoint 5.3 Choose technologies that are designed to support

Success criteria
You will have successfully met Checkpoint 5.3 at the Minimum Level if:

1. the technology or combination of technologies chosen
         a). allows the author/programmer to meet the other requirements of
these guidelines.  For example, the technology supports device independent
event handling and has a mechanism for specifying text equivalents.

         b) provides a mechanism for the author/programmer to make use of
the accessibility interfaces of the host operating system.  This may be
done via a user agent.

         c) has publicly documented interfaces for interoperability
         d) is implemented in user agents and/or proxies in the natural
language of the content
         e) interoperates with assistive technologies in the natural
language(s) of the content.  This may be achieved by use of accessibility
interfaces in the host operating system.

2) If the technology makes use of a user agent, the user agent [link to
definition] meets UAAG at (insert level)

You will have successfully met Checkpoint 5.3 at Level 2 if:

1) the technology or combination of technologies chosen allows the
author/programmer to specify what data is to be passed through to the
operating system accessibility interfaces

2) If the technology makes use of a user agent, the user agent [link to
definition] meets UAAG at (insert level)

You will have successfully met Checkpoint 5.3 at Level 3 if:

1) If the technology makes use of a user agent, the user agent [link to
definition] meets UAAG at (insert level)

The following are additional ideas for enhancing a site along this
particular dimension:
(presently no additional criteria for this level.)

Benefits (informative)
Authors who utilize technologies designed to support accessibility will:
encounter fewer challenges when implementing these guidelines
avoid the need to create custom solutions and workarounds to address
accessibility concerns
avoid the need to provide accessible alternate versions for content
rendered in a technology that does not fully address these guidelines
Received on Tuesday, 11 March 2003 09:41:08 UTC

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