rem: return this.mPrefService.getLocalizedUnicharPref(aPrefName); 
add: return this.mPrefService.getComplexValue(aPrefName, Components.interfaces.nsIPrefLocalizedString); 
context:   getLocalizedUnicharPref: function (aPrefName, aDefVal)    {      try        {          return this.mPrefService.getLocalizedUnicharPref(aPrefName);        }      catch(e)        {          return aDefVal != undefined ? aDefVal : null;        }      return null;        // quiet warnings    }
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/faf03ce445712b372523f881cc3144cfadc7a611/nsUserSettings.js/buggy/xpfe/global/resources/content/nsUserSettings.js