borisyankov/DefinitelyTyped — pull request #1069 by wiredprairie (2013-09-20 22:12:04+00:00)
Title: Update winjs.d.ts to include proper signature for createGrouped function

`createGrouped` was missing a required parameter, as documented here: http://msdn.microsoft.com/en-us/library/windows/apps/hh700742.aspx