anchor.diff:      // but must be a static variable in order to be visible to the Intl.message
       // invocation.
       var oldLocale = getCurrentLocale();
  -    _defaultLocale = locale;
  +    defaultLocale = locale;
       var result = message_function();
  -    _defaultLocale = oldLocale;
  +    defaultLocale = oldLocale;
       return result;
     }
   
  
positive.code:    * locale.
     */
    static String getCurrentLocale() {
      if (_defaultLocale == null) _defaultLocale = systemLocale;
      return _defaultLocale;
    }
  
    toString() => "Intl($locale)";
  
negative.code:    * can also be set explicitly, and will then apply to any new instances where
     * the locale isn't specified.
     */
    static String defaultLocale;
  
    /**
     * The system's locale, as obtained from the window.navigator.language
  