public XmlElement(byte[] encodedDocument){
  if (encodedDocument == null)   throw new IllegalArgumentException("value is null");
  this.encoded=encodedDocument.clone();
}

public XmlElement ( byte [ ] encodedDocument ) { if ( encodedDocument == null ) throw new IllegalArgumentException ( "value is null" ) ; this . encoded = encodedDocument . clone ( ) ; }
create xml element with utf8 encoded xml document .
