[Bug 21867] remove duplicates from treegrid and treeitem

https://www.w3.org/Bugs/Public/show_bug.cgi?id=21867

--- Comment #1 from steve faulkner <faulkner.steve@gmail.com> ---
refer to
https://dvcs.w3.org/hg/aria-unofficial/raw-file/tip/index.html#aria-role-state-and-property-quick-reference

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Received on Monday, 29 April 2013 13:39:35 UTC