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Re: My Action Item: Multiple interface guideline

From: Charles McCathieNevile <charles@w3.org>
Date: Fri, 13 Oct 2000 12:22:26 -0400 (EDT)
To: Cynthia Shelly <cyns@whatuwant.net>
cc: "'w3c-wai-gl@w3.org'" <w3c-wai-gl@w3.org>
Message-ID: <Pine.LNX.4.21.0010131222020.17389-100000@tux.w3.org>
By the way, I think this is good and should be incorporated in the next


On Thu, 12 Oct 2000, Cynthia Shelly wrote:

  The general idea behind using the server to enhance accessibility is that
  you can use logic running on the server to send content that is optimized
  for the user in some way, rather than sending the same markup to all users
  and letting the browser sort out what to do with it. At a very high level,
  this is a an application of Guidelines 1 and 2, but at a page level rather
  than an element level.
  We discussed several techniques for accomplishing this at the F2F, which are
  summarized in my last mail.  My action item dealt with a proposed guideline
  that came out of that discussion.  
  On further reflection, I think this is actually a checkpoint, and not a
  guideline.  It could fit in GL 4 of GL 5.
  Here's the scenario:
  A site author could allow a user to pick from a variety of representations
  of the same data:  a flash version of the content, a version rendered by
  DHTML scripts, or a linear HTML 4.0 AAA Compliant version.  If, however, the
  user picks the flash version, s/he must be able to get back to the other
  versions whether or not s/he can access the flash version.  The control for
  switching between versions must be accessible, even if the version the user
  has selected is not.  
  And here's the checkpoint:
  x.x When multiple interfaces are provided for the same content, the
  mechanism for switching between interfaces must be accessible and easy to
  NOTE: The switching mechanism must be accessible even if the currently
  selected interface is not.  This ensures that a user who has selected it by
  accident will be able to recover.
  Thoughts and Comments?

Charles McCathieNevile    mailto:charles@w3.org    phone: +61 (0) 409 134 136
W3C Web Accessibility Initiative                      http://www.w3.org/WAI
Location: I-cubed, 110 Victoria Street, Carlton VIC 3053, Australia
September - November 2000: 
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Received on Friday, 13 October 2000 12:22:27 UTC

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