'From Squeak3.11alpha of 13 February 2010 [latest update: #9483] on 9 March 2010 at 11:11:23 am'! !StandardScriptingSystem class methodsFor: 'class initialization' stamp: 'mir 11/25/2004 19:01'! removeUnreferencedPlayers "Remove existing but unreferenced player references" "StandardScriptingSystem removeUnreferencedPlayers" References keys do: [:key | (References at: key) costume pasteUpMorph ifNil: [References removeKey: key]]. ! ! PreferenceBrowser removeSelector: #representsSameBrowseeAs:!