final TemplateNode parseProcessingInstruction(Node node, Node children, Node next)
final TemplateNode parseProcessingInstruction(Node node)
  final TemplateNode parseProcessingInstruction(Node node, Node children,                                                Node next)    throws TransformerConfigurationException, XPathExpressionException  {    NamedNodeMap attrs = node.getAttributes();    String name = getRequiredAttribute(attrs, "name", node);    return new ProcessingInstructionNode(parse(children),                                         parse(next), name);  }