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Re: Proposed change to checkpoint 5.4 based on last call comments in LC#126

From: Ian Jacobs <ij@w3.org>
Date: Fri, 14 Jan 2000 09:56:31 -0500
Message-ID: <387F391F.13E61650@w3.org>
To: Jon Gunderson <jongund@ux1.cso.uiuc.edu>
CC: w3c-wai-ua@w3.org
Jon Gunderson wrote:
> 
> Peter Korn and Earl Johnson suggest in their las call comments (LC#126) to
> change the wording of Checkpoint 5.4 slightly to try to clarify that ATs should
> have control over what types of change events that it wants to process from the
> user agent.  I suggest the following new wording for the checkpoint based on
> their comments:
> 
> 5.4 Provide programmatic support that enables access to notification of changes
> to content and user interface controls (including selection, content focus, and
> user interface focus).

For the record, the old text is:

      Provide programmatic notification of changes to content and user
      interface controls (including selection, content focus, and
      user interface focus).

I actually don't think the old text suggests that ATs can't control
what they want. The notification is provided, and the recipient can
do whatever they want with the information. 

It sounds like there are two options:

 - Allow (programmatic) configuration of what 
   notifications are made programmatically.

 - Don't allow configuration, but the AT can always ignore any
   notification it doesn't want.

I think I would prefer the latter, but I would welcome input from
AT vendors here!

 - Ian

-- 
Ian Jacobs (jacobs@w3.org)   http://www.w3.org/People/Jacobs
Tel/Fax:                     +1 212 684-1814
Cell:                        +1 917 450-8783
Received on Friday, 14 January 2000 09:57:02 GMT

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