[ubuntu] Quicklists under Quicklists

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http://ubuntuforums.org – I am getting an unusual visual effect with the Unity quicklists, I can see closed quicklists underneath the one I am currently viewing. The attached image should better explain. I have been looking for a similar bug but did not come across one so have submitted Bug #1048336. Attached Images Selection_055.png (318.5 KB) (Hardware)