rem: this.prefService.savePrefFile(null); 
context: function pm_reset(prefName){    this.prefRecords[prefName].realValue = null;    this.prefBranch.clearUserPref(prefName);    this.prefService.savePrefFile(null);}
meta: 1622	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1622/239b26f4316133f7376f8872f2ca6941f86897f6/pref-manager.js/buggy/js/lib/pref-manager.js