rem: msgCompose.UnregisterStateListener(stateListener); 
add: msgCompose.UnregisterStateListener(stateListener); 
context: function ComposeUnload(){	dump("\nComposeUnload from XUL\n");	RemoveMessageComposeOfflineObserver();    RemoveDirectoryServerObserver(null);    RemoveDirectoryServerObserver("mail.identity." + gCurrentIdentity.key);    if (currentAutocompleteDirectory)       RemoveDirectorySettingsObserver(currentAutocompleteDirectory);	msgCompose.UnregisterStateListener(stateListener);}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/321184f9e318caa933671990d7acbcf552f629f0/MsgComposeCommands.js/buggy/mailnews/compose/resources/content/MsgComposeCommands.js