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Re: Why is aria-expanded invalid with a checkbox?

From: Joseph Scheuhammer <clown@alum.mit.edu>
Date: Wed, 3 Feb 2016 14:02:02 -0500
To: Bryan Garaventa <bryan.garaventa@ssbbartgroup.com>, Richard Schwerdtfeger <richschwer@gmail.com>
Cc: Stefan Schnabel <stefan.schnabel@sap.com>, Birkir Gunnarsson <birkir.gunnarsson@deque.com>, James Nurthen <james.nurthen@oracle.com>, "public-aria@w3.org" <public-aria@w3.org>
Message-ID: <56B24EAA.9060509@alum.mit.edu>
On 2016-02-03 12:28 PM, Bryan Garaventa wrote:
> I understand this in most cases, and if the group decides this is the best way to go, that's fine with me.
> However I do need to explain the situation, because the circumstance I'm referring to was more unique, in that the client is a financial institution that was sued because it did not adiquatly convey to non-sighted screen reader users that the checking of a particular checkbox would significantly impact there accounts, even though this was conveyed visually using CSS for sighted users.
> So the legal design requirements were then mandated that it must convey that something else was going to happen when this checkbox was checked.
> As I said, if the group decides this association is not important, I'll refer them to this thread in the future to explain why.

The typical way to indicate that a dialog is going to be invoked is via 
ellipses, "...". For example, the ellipsis in a "Save as ..." menu item 
tells me that I'm about get a save-file dialog.  I know that one screen 
reader, Orca, speaks "ellipsis" when one navigates to menu items with 

Would adding an ellipsis to a check box label workl?  Admittedly it 
looks a bit odd:

[ ] Click to accept these terms ...

Another thought:  although it does overload the label, what about adding 
text to the checkbox itself, such as:

[ ] Click to accept these terms (will show a confirmation dialog).


'Die Wahrheit ist Irgendwo da Drau├čen. Wieder.'
                  - C. Carter -
Received on Wednesday, 3 February 2016 19:02:33 UTC

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