}
  void doApply(Stylesheet stylesheet, QName mode,             Node context, int pos, int len,             Node parent, Node nextSibling)    throws TransformerException  {    if (children != null)      {        children.apply(stylesheet, mode,                       context, pos, len,                       parent, nextSibling);      }    if (next != null)      {        next.apply(stylesheet, mode,                   context, pos, len,                   parent, nextSibling);      }  }