rem: } catch(ex) { 
add: } catch(ex) { 
context: function ensureSearchPref() {      var rdf = Components.classes["@mozilla.org/rdf/rdf-service;1"].getService(Components.interfaces.nsIRDFService);   var ds = rdf.GetDataSource("rdf:internetsearch");   kNC_Name = rdf.GetResource("http://home.netscape.com/NC-rdf#Name");   try {            defaultEngine = mPrefs.getCharPref("browser.search.defaultengine");        } catch(ex) {            ensureDefaultEnginePrefs(rdf, ds);            defaultEngine = mPrefs.getCharPref("browser.search.defaultengine");            }   }
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/e05db65ae16cf88513dcd25465c8f4f9609c25fd/navigator.js/clean/xpfe/browser/resources/content/navigator.js