anchor.diff:   * @return {string} An escaped string.
    */
   String _escapeTextForBrowser(text) {
  -  return ('' + text).replaceAllMapped(_ESCAPE_REGEX, _escaper);
  +  return ("$text").replaceAllMapped(_ESCAPE_REGEX, _escaper);
   }
   
   /**
  
positive.code: num    _GLOBAL_MOUNT_POINT_MAX = 9999999;
  num    _MOD = 65521;
  
  
  
  typedef String OwnerFactory([String ownerId, num position, String key]);
  typedef OwnerFactory ReactComponentFactory(Map props, [dynamic children]);
  
negative.code:     key = 'class';
    }
  
    if (_svgNamespacedAttributes.contains(key)) {
      key = key.replaceAllMapped(
          new RegExp(r'^([a-z]+)([A-Z].+)$'),
          (Match m) => "${m[1]}:${m[2].toLowerCase()}");
    }
  
    /**
     * change "htmlFor" for "for"
     */
  