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RE: SC 2.4.6 (Focus order) and (reverse) tab order

From: Gregg Vanderheiden <gv@trace.wisc.edu>
Date: Mon, 19 Feb 2007 16:58:09 -0600
To: "'Christophe Strobbe'" <christophe.strobbe@esat.kuleuven.be>, "'WCAG'" <w3c-wai-gl@w3.org>
Message-ID: <001401c75479$6d2621a0$a117a8c0@NC84301>

I believe the onblur event would fail WCAG.  When you fix that failure, the
problem disappears - no?   If so we don't need another failure.


Gregg
 -- ------------------------------
Gregg C Vanderheiden Ph.D.



> -----Original Message-----
> From: w3c-wai-gl-request@w3.org
> [mailto:w3c-wai-gl-request@w3.org] On Behalf Of Christophe Strobbe
> Sent: Monday, February 19, 2007 9:16 AM
> To: WCAG
> Subject: SC 2.4.6 (Focus order) and (reverse) tab order
>
>
> Hi,
>
> During a review of test cases in the BenToWeb test suite for
> WCAG 2.0, the following occurred to me:
> SC 2.4.6 requires that "When a Web unit or authored component
> is navigated sequentially, components receive focus in an
> order that follows relationships and sequences in the
> content." However, there are many types of content that can
> be tabbed through both in "normal"
> order (usually top to bottom, just pressing the TAB key) and
> in reverse order (pressing SHIFT + TAB). It is possible for
> scripts to manipulate the focus in such a way that certain
> items are skipped in normal tabbing order but not in reverse
> tabbing order. This would fail the intent of SC 2.4.6 but
> this is not made explicit anywhere.
>
> An example of this behaviour can be seen at
> <http://www.bentoweb.org/ts/XHTML1_TestSuite2/testfiles/sc3.2.
> 5_l3_027.html>.
> When tabbing through this file, focus goes from the first to
> the third link (the second links is skipped because an
> 'onblur' event on the first link changes focus to the third
> link). When tabbing in reverse order, however, you get all the links.
>
> Best regards,
>
> Christophe
>
>
> --
> Christophe Strobbe
> K.U.Leuven - Departement of Electrical Engineering - Research
> Group on Document Architectures Kasteelpark Arenberg 10 -
> 3001 Leuven-Heverlee - BELGIUM
> tel: +32 16 32 85 51
> http://www.docarch.be/
>
>
> Disclaimer: http://www.kuleuven.be/cwis/email_disclaimer.htm
>
>
>
Received on Monday, 19 February 2007 22:58:22 GMT

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