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Re: longdesc vs D-link query

From: Charles McCathieNevile <charles@w3.org>
Date: Wed, 11 Apr 2001 06:31:43 -0400 (EDT)
To: Carlos Velasco-Nunez <Carlos.Velasco-Nunez@gmd.de>
cc: <Andrew_Arch@visionaustralia.org.au>, <w3c-wai-eo@w3.org>
Message-ID: <Pine.LNX.4.30.0104110631070.3313-100000@tux.w3.org>
Actually iCab does, via a context menu on any image, and I belive that Home
Page Reader 3.0 does but I haven't tried it yet (waiting to get disk space to
install it...)

cheers

Charles

On Wed, 11 Apr 2001, Carlos Velasco-Nunez wrote:

  Hi Andrew,

  We made a test with different user agents and OS's two months ago in our
  facilities: no user agent supports longdesc so far (we did not check the
  latest version of Amaya), so don't throw away your D-links <smile> yet.

  Carlos

  Andrew_Arch@visionaustralia.org.au wrote:
  >
  > Dear All,
  >
  > In our workshops we have still been promoting the use of the "D" link for
  > complex graphics explanations, however when I recently checked back to the
  > Techniques document: http://www.w3.org/TR/WCAG10-HTML-TECHS/#long-descriptions
  >
  > ====================
  > 7.2.1 Invisible d-links
  >
  >        Note. Invisible d-links are deprecated in favor of the "longdesc"
  > attribute.
  >
  >        An invisible d-link is a small (1-pixel) or transparent image whose "alt"
  > attribute value is "D-link" or "D" and is
  >        part of the content of an A element. Like other d-links, it refers to a
  > text equivalent of the associated image. Like
  >        other links, users can tab to it. Invisible d-links thus provide a
  > (temporary) solution for designers who wish to
  >        avoid visible d-links for stylistic reasons.
  > ====================
  >
  > It appears that visible "D" links are still acceptable, but the invisible "D"
  > link is not. (In which case, can anyone point me to a definitive list of "user
  > agents" (or versions) that do/don't support "longdesc"?) I am then curious as to
  > why visible "D" links are recommended as a technique but not invisible ones - a
  > screen-reader doesn't differentiate!
  >



-- 
Charles McCathieNevile    http://www.w3.org/People/Charles  phone: +61 409 134 136
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Received on Wednesday, 11 April 2001 06:31:52 UTC

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