rem: return null; 
add: return null; 
context: function GetCompositeDataSource(command){	if (command == "GetNewMessages" || command == "NewFolder" || command == "MarkAllMessagesRead")        return GetFolderDatasource();	return null;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9421/df6c90de4053d1c9239c66be97aa7f3c8fcb9377/msgMail3PaneWindow.js/buggy/mailnews/base/resources/content/msgMail3PaneWindow.js