code: public Node appendChild(Node newChild) throws DOMException
    {
  
      error(XSLTErrorResources.ER_CANNOT_ADD,
            new Object[]{ newChild.getNodeName(),
                          this.getNodeName() });  //"Can not add " +((ElemTemplateElement)newChild).m_elemName +
  
      //" to " + this.m_elemName);
      return null;
    }
docs: Add a child to the child list.
  
  @param newChild Child to add to the child list
  
  @return Child just added to the child list
  
  @throws DOMException