add: if (currentAutocompleteDirectory) RemoveDirectorySettingsObserver(currentAutocompleteDirectory); 
context: function ComposeUnload(){	dump("\nComposeUnload from XUL\n");	RemoveMessageComposeOfflineObserver();    RemoveDirectoryServerObserver(null);    RemoveDirectoryServerObserver("mail.identity." + currentIdentity.key);	msgCompose.UnregisterStateListener(stateListener);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/3ab20e2d652ca8a1b25542e63b67ab442379718b/MsgComposeCommands.js/clean/mailnews/compose/resources/content/MsgComposeCommands.js