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RE: Looking at SC 2.4.3 Focus Order with "UI Context"

From: Hoffman, Allen <Allen.Hoffman@HQ.DHS.GOV>
Date: Fri, 13 Jul 2012 12:34:23 +0000
To: Peter Korn <peter.korn@oracle.com>, "public-wcag2ict-tf@w3.org" <public-wcag2ict-tf@w3.org>
Message-ID: <9F7B0040F7A7C4428E160959229DE9F3018CB7E9@D2ASEPRSH126.DSA.DHS>
I agree with your note regarding the within window sequentialness of navigation.  The sequences related to the "UIC".

From: Peter Korn [mailto:peter.korn@oracle.com]
Sent: Thursday, July 12, 2012 8:45 PM
To: public-wcag2ict-tf@w3.org
Subject: Looking at SC 2.4.3 Focus Order with "UI Context"

Hi gang,

SC 2.4.3<https://sites.google.com/site/wcag2ict/home/2-operable/24-provide-ways-to-help-users-navigate-find-content-and-determine-where-they-are/243-focus-order> Focus Order was one we reached consensus on.  However, I thought it would be useful to look at it with the new UI Context definition, to help evaluate that definition and where we might use it.  My thoughts on this can be found at the Applying UI Context<https://sites.google.com/site/wcag2ict/cross-cutting-issues-and-notes/user-interface-context/applying-ui-context> page in the fourth row, but to facilitate discussion, I reiterate them here.

Looking only at software, and doing a direct definition substitution for "web page" with the existing SC text, we get:
If a [set of user interface elements and the presented information, within a product, that can be accessed using only navigation commands] can be navigated sequentially and the navigation sequences affect meaning or operation, focusable components receive focus in an order that preserves meaning and operability. (Level A)
I have yet to see a "set of windows' content" be navigated sequentially.  Sequential navigation only takes place within a window, typically within a portion of a window.  While the consensus text arguably has a similar deficiency, I think it is more likely to be understood by readers as applying to a single window's UI, and not all of the windows (as constituting the "software interface").  Perhaps public comments on this consensus text will reveal any such potential concerns.


Thought?


Peter
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Received on Friday, 13 July 2012 12:34:56 GMT

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