interface CharacterData : Node {
           attribute DOMString        data;
                                      // raises(DOMException) on setting
                                      // raises(DOMException) on retrieval

  readonly attribute unsigned long    length;
  DOMString          substringData(in unsigned long offset, 
                                   in unsigned long count)
                                      raises(DOMException);
  void               appendData(in DOMString arg)
                                      raises(DOMException);
  void               insertData(in unsigned long offset, 
                                in DOMString arg)
                                      raises(DOMException);
  void               deleteData(in unsigned long offset, 
                                in unsigned long count)
                                      raises(DOMException);
  void               replaceData(in unsigned long offset, 
                                 in unsigned long count, 
                                 in DOMString arg)
                                      raises(DOMException);
};