add: gMailSession = null; 
context: function ReleaseGlobalVariables(){  gAccountManager = null;  gIOService = null;  gPromptService = null;  gLDAPPrefsService = null;  gCurrentIdentity = null;  gCurrentAutocompleteDirectory = null;  gAutocompleteSession = null;  gLDAPSession = null;  gCharsetConvertManager = null;  gMsgCompose = null;}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/1a8c17c59a4913a5b36895334dc6cedaa2281d33/MsgComposeCommands.js/clean/mailnews/compose/resources/content/MsgComposeCommands.js