rem: const RDF_PROGID = "component: 
add: const RDF_CONTRACTID = "@mozilla.org/rdf/rdf-service;1"; 
context: function nsSidebar(){    const RDF_PROGID = "component://netscape/rdf/rdf-service";    const nsIRDFService = Components.interfaces.nsIRDFService;        this.rdf = Components.classes[RDF_PROGID].getService(nsIRDFService);    this.datasource_uri = getSidebarDatasourceURI(PANELS_RDF_FILE);    debug('datasource_uri is ' + this.datasource_uri);    this.resource = 'urn:sidebar:current-panel-list';    this.datasource = this.rdf.GetDataSource(this.datasource_uri);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/6cc70ebd6c97bd0b2fe48c31f579e855387ced9d/nsSidebar.js/clean/xpfe/components/sidebar/src/nsSidebar.js