[Bug 13508] Fully support tri-state and indeterminate controls

https://www.w3.org/Bugs/Public/show_bug.cgi?id=13508

--- Comment #5 from Travis Leithead [MSFT] <travil@microsoft.com> ---
(In reply to comment #4)
> The major problem here seems to be that assistive technology isn't [yet]
> equipped to deal with HTML5's indeterminate checkbox behavior. The reason
> why this is likely hard to do, is because an AT can't know just based on the
> markup, whether the behavior of the indeterminate checkbox should be truly
> tri-state (e.g., unset -> indeterminate -> set (repeat)) or simple pseudo
> tri-state (e.g., indeterminate -> set -> unset -> set -> unset (etc.)). The
> web developer can model either behavior with JavaScript with the current
> HTML5 control.

Of course this is hard to detect from markup, since there's no "indeterminate"
content attribute! Just wanted to make that correction...

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Received on Friday, 15 February 2013 01:52:34 UTC