rem: this.prefService.savePrefFile(null); 
context: function pm_reset(prefName){    this.prefRecords[prefName].realValue = null;    this.prefBranch.clearUserPref(prefName);    this.prefService.savePrefFile(null);}
meta: 3298	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3298/b5940efb6a5724c5a688d79f3dcdf59968625a8a/pref-manager.js/clean/js/lib/pref-manager.js