rem: var compositeDataSource = GetCompositeDataSource("MarkAllMessagesRead"); var folder = GetLoadedMsgFolder(); 
add: var compositeDataSource = GetCompositeDataSource("MarkAllMessagesRead"); var folder = GetLoadedMsgFolder(); 
context: function MsgMarkAllRead(){	var compositeDataSource = GetCompositeDataSource("MarkAllMessagesRead");	var folder = GetLoadedMsgFolder();	if(folder)		MarkAllMessagesRead(compositeDataSource, folder);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/98f8dba7b96019d33eaa1162fb11dc98138a445f/mailWindowOverlay.js/buggy/mailnews/base/resources/content/mailWindowOverlay.js