quicksilver/Quicksilver — pull request #940 by pjrobertson (2012-06-16 02:02:12+00:00)
Title: Make the 'toggle' action smarter - fixes #939

Show the application unless it is frontmost. At which point, hide it

See https://groups.google.com/forum/?fromgroups#!topic/blacktree-quicksilver/aMETRt9_5hQ for more information