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Re: ISSUE-134 change proposals review - Part 2 (ISSUE-134: Provide tablist and tab states)

From: Laura Carlson <laura.lee.carlson@gmail.com>
Date: Thu, 16 Feb 2012 08:05:24 -0600
Message-ID: <CAOavpvcpfXG-At-MjVxfvEfbUwaqT7dzxE7o-o309DK4s=BL0A@mail.gmail.com>
To: HTML Accessibility Task Force <public-html-a11y@w3.org>
Cc: "E.J. Zufelt" <everett@zufelt.ca>, jason@accessibleculture.org, "Gregory J. Rosmaita" <gregory.rosmaita@gmail.com>
Also comments on  Gregory's, Everett's, and Jason's  proposal are at:

Best Regards,

On Wed, Feb 15, 2012 at 3:32 PM, Laura Carlson
<laura.lee.carlson@gmail.com> wrote:
> Hi all,
> I am forwarding the following message for the task force's information
> regarding ISSUE-134: Provide tablist and tab states.
> http://lists.w3.org/Archives/Public/public-html/2012Feb/0222.html
> I don't think it was copied to this list.
> Best Regards,
> Laura
> ---------- Forwarded message ----------
> From: Paul Cotton <Paul.Cotton@microsoft.com>
> Date: Wed, Feb 15, 2012 at 9:43 AM
> Subject: ISSUE-134 change proposals review - Part 2
> To: "Oedipus@hicom.net" <Oedipus@hicom.net>
> Cc: "public-html@w3.org" <public-html@w3.org>
> The following is a review of your change proposal for ISSUE-134:
> http://www.w3.org/html/wg/wiki/ChangeProposals/tablist_and_tab_states_for_menu_and_command_elements
> This review if provided in order to help WG members improve the
> quality of their change proposals and to ensure that the WG Chairs
> make their views known about the completeness of change proposals well
> in advance of moving the related issues to the survey stage.
> The re-open request for ISSUE-134 from Tab provides some comments on
> your change proposal that you might consider using as input to improve
> the strength of your arguments:
> http://lists.w3.org/Archives/Public/public-html/2011Jul/0235.html
> For example providing clarifications for the following items would
> improve your change proposal:
>> 1. The "Details" part specifies that "User agents must manage focus
>> for the tab controls by ensuring that only the selected tab is
>> focusable, and that the remaining tabs in the tablist menu are not
>> focusable.".  However, the "Risks" section states without such an
>> element, developers might make "only the selected tab in each
>> tablist... focusable, meaning that the remaining tabs from each
>> tablist will not be available or accessible to assistive
>> technologies.".  Is this a good or bad thing?
>> 2. In "Details", "tabpanel" is listed as a state for <command>
>> elements, but later text seems to suggest that it should be an
>> attribute on <command> elements that takes an IDREF.
>> 3. The CP doesn't indicate what the proposed changes should *do*.  The
>> intention is clearly to make it easier to do cardstacks, where you
>> have a list of tabs associated with cards, and only one card is
>> visible at a time (and its tab is specially indicated in the tablist).
>> But nothing like that is specified anywhere.  It appears that authors
>> would still need to use script to create this kind of UI.
> In addition representatives of two user agents have explicitly stated
> that they will not implement this change proposal when they responded
> to the "CfC: Close ISSUE-134 tab-states by Amicable Resolution":
> http://lists.w3.org/Archives/Public/public-html/2011Jul/0221.html
> http://lists.w3.org/Archives/Public/public-html/2011Jul/0222.html
> In particular the comments about the following points might be used to
> make your change proposals more complete:
> a) by providing more information on how your changes to <menu> and
> <command> could be integrated with CSS, and/or
> b) by providing further information on implementer's experience with
> implementing the currently defined <menu> and <command> semantics and
> showing that your additions integrate well with those implementations.
> You might consider obtaining feedback from other user agent
> implementers if they are willing to implement your proposal.
> /paulc
> HTML WG co-chair
> Paul Cotton, Microsoft Canada
> 17 Eleanor Drive, Ottawa, Ontario K2E 6A3
> Tel: (425) 705-9596 Fax: (425) 936-7329
> --
> Laura L. Carlson

Laura L. Carlson
Received on Thursday, 16 February 2012 14:05:55 UTC

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