new (Nokogiri::XML::CDATA)

    /*
     * call-seq:
     *  new(document, content)
     *
     * Create a new CData element on the +document+ with +content+
     */
    static VALUE new(int argc, VALUE *argv, VALUE klass)
    {
      xmlDocPtr xml_doc;
      VALUE doc;
      VALUE content;
      VALUE rest;

      rb_scan_args(argc, argv, "2*", &doc, &content, &rest);

      Data_Get_Struct(doc, xmlDoc, xml_doc);

      xmlNodePtr node = xmlNewCDataBlock(
          xml_doc->doc,
          Qnil == content ? NULL : (const xmlChar *)StringValuePtr(content),
          Qnil == content ? 0 : RSTRING_LEN(content)
      );

      NOKOGIRI_ROOT_NODE(node);

      VALUE rb_node = Nokogiri_wrap_xml_node(klass, node);
      rb_funcall2(rb_node, rb_intern("initialize"), argc, argv);

      if(rb_block_given_p()) rb_yield(rb_node);

      return rb_node;
    }