rem: }, 
add: } 
context:   getLocalizedUnicharPref: function (aPrefName, aDefVal)    {      try        {          return this.mPrefService.getLocalizedUnicharPref(aPrefName);        }      catch(e)        {          return aDefVal != undefined ? aDefVal : null;        }      return null;        // quiet warnings    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/a3fd1360f8a3ed6857cc435f9c9b5e8b3cdd9ef2/nsUserSettings.js/buggy/xpfe/global/resources/content/nsUserSettings.js