add: return ""; 
context: function getLiteral(aSource, aProperty){  var node = gDS.GetTarget(aSource, aProperty, true);  if (node) {    node = node.QueryInterface(Components.interfaces.nsIRDFLiteral);    return node.Value;  }}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/97174b18dff704295389af48e316618c024fc8c2/overrideHandler.js/buggy/xpfe/components/prefwindow/resources/content/overrideHandler.js