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Re: [Editorial] Clarification that 9.3, 9.5, 9.6 apply whatever the input modality conformance chosen

From: Jon Gunderson <jongund@uiuc.edu>
Date: Fri, 30 Mar 2001 11:22:20 -0600
Message-Id: <4.3.1.2.20010330112210.0357bc90@staff.uiuc.edu>
To: Ian Jacobs <ij@w3.org>, w3c-wai-ua@w3.org
I support these changes.

Jon


At 08:05 PM 3/28/2001 -0500, Ian Jacobs wrote:
>Hello,
>
>In the 23 March draft [1], checkpoints 9.3, 9.5, and 9.6 are
>about "device-independent activation of event-handlers". The
>checkpoints state, for example, that the user agent must
>"allow the user to activate any explicitly associated event
>handler though keyboard alone".
>
>I am concerned that since the conformance model says, in effect,
>that "you don't have to do things related to the pointing
>device unless you claim conformance for the pointing device",
>that the verbiage "any event handler" may not be strong enough.
>I think we need to clarify that for checkpoints 9.3, 9.5, and
>9.6 that we really do mean "any" event handler, even if the
>user agent only conforms for the keyboard. These checkpoints
>are "only for the keyboard" (in the default conformance scenario)
>in that we only require activation through the keyboard.
>
>Proposal:
>
>1) (Based on Jon Gunderson comment) Move checkpoints 9.3, 9.5,
>    and 9.6 to Guideline 1 since they are about device-independence.
>    I hesitate to move them out of context since 9.1-9.7 make sense
>    as a group. But moving three of seven seems ok to me.
>
>2) Add the following Note to one or more of the checkpoints:
>
>    Note: "Any event handler" includes handlers for input
>    devices for which the user agent does not conform. For
>    example, the user agent must allow the user to use
>    the keyboard to activate an event handler for the pointing
>    device, even if the user agent does not conform for the
>    pointing device.
>
>Comment:
>
>  - I don't think this reasoning applies checkpoints that are
>    not explicitly about device independence. For instance,
>    checkpoint 7.4 (follow operating environment conventions
>    to indicate the input configuration) does not, in my opinion,
>    require the same type of clarification. The user agent only
>    has to satisfy it for the keyboard when conforming only for
>    the keyboard.
>
>
>  - Ian
>
>[1] http://www.w3.org/WAI/UA/WD-UAAG10-20010323/
>--
>Ian Jacobs (jacobs@w3.org)   http://www.w3.org/People/Jacobs
>Tel:                         +1 831 457-2842
>Cell:                        +1 917 450-8783

Jon Gunderson, Ph.D., ATP
Coordinator of Assistive Communication and Information Technology
Division of Rehabilitation - Education Services
MC-574
College of Applied Life Studies
University of Illinois at Urbana/Champaign
1207 S. Oak Street, Champaign, IL  61820

Voice: (217) 244-5870
Fax: (217) 333-0248

E-mail: jongund@uiuc.edu

WWW: http://www.staff.uiuc.edu/~jongund
WWW: http://www.w3.org/wai/ua
Received on Friday, 30 March 2001 12:19:22 UTC

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