file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
-#if !defined(TREE_TO_XML_HPP)
-#define TREE_TO_XML_HPP
+#ifndef BOOST_SPIRIT_CLASSIC_TREE_TREE_TO_XML_HPP
+#define BOOST_SPIRIT_CLASSIC_TREE_TREE_TO_XML_HPP
#include <boost/spirit/home/classic/namespace.hpp>
#include <boost/spirit/home/classic/tree/impl/tree_to_xml.ipp>
-#endif // !defined(TREE_TO_XML_HPP)
+#endif