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Re: Fw: March 2 F2F Minutes (checkpoint discussion)----Original Message-----

From: Charles McCathieNevile <charles@w3.org>
Date: Fri, 9 Mar 2001 12:19:53 -0500 (EST)
To: Matt May <mcmay@bestkungfu.com>
cc: Anne Pemberton <apembert@erols.com>, WAI <w3c-wai-gl@w3.org>
Message-ID: <Pine.LNX.4.30.0103091216580.28413-100000@tux.w3.org>
Currently the Stop button doesn't stop everything as far as I know - as Matt
says, scripts are a different case. So the requirement on a User Agent needs
to be "make the page sit still, and it shouldbe clear that this includes
motion effects due to scripting. I think it mostly is, but I will take an
action item to look at that if someone promises to remind me in a few days
that I said I would.


On Thu, 8 Mar 2001, Matt May wrote:

  ----- Original Message -----
  From: "Anne Pemberton" <apembert@erols.com>
  >     Doesn't the Stop button stop all everything on the page? If so, what
  > the problem? Does stop not exist or work the same way in all browsers?

  In the case of the walking ants, the Stop button can't control that. All it
  controls in IE on Windows, for example, is embedded audio and animated GIFs.
  It's not a standard. Actually, the Stop button itself isn't even a standard
  insofar as it's a user-agent widget. UAAG would have to specify its
  behavior, and even then, the walking-ants analogy would probably sneak
  through, as the Stop button would have to stop script execution on the page
  to stop the motion of the ants, and there's no way to selectively disable
  scripts or (that I'm aware of) to force cleanup/garbage collection on any
  given script.


Charles McCathieNevile    http://www.w3.org/People/Charles  phone: +61 409 134 136
W3C Web Accessibility Initiative     http://www.w3.org/WAI    fax: +1 617 258 5999
Location: I-cubed, 110 Victoria Street, Carlton VIC 3053, Australia
(or W3C INRIA, Route des Lucioles, BP 93, 06902 Sophia Antipolis Cedex, France)
Received on Friday, 9 March 2001 12:20:09 UTC

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