rem: try { var RDF = Components.classes['@mozilla.org/rdf/rdf-service;1'].getService(); RDF = RDF.QueryInterface(Components.interfaces.nsIRDFService); 
add: try { var RDF = Components.classes['@mozilla.org/rdf/rdf-service;1'].getService(); RDF = RDF.QueryInterface(Components.interfaces.nsIRDFService); 
context: function GetMsgFolderFromUri(uri){	try {  	var RDF = Components.classes['@mozilla.org/rdf/rdf-service;1'].getService();  	RDF = RDF.QueryInterface(Components.interfaces.nsIRDFService);    var resource = RDF.GetResource(uri);		var msgfolder = resource.QueryInterface(Components.interfaces.nsIMsgFolder);        if (msgfolder && ( msgfolder.parent || msgfolder.isServer))		  return msgfolder;	}//try	catch (ex) { }//catch	return null;}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/321184f9e318caa933671990d7acbcf552f629f0/MsgComposeCommands.js/buggy/mailnews/compose/resources/content/MsgComposeCommands.js