text: #ifndef BOOST_ARCHIVE_POLYMORPHIC_PORTABLE_BINARY_OARCHIVE_HPP
  #define BOOST_ARCHIVE_POLYMORPHIC_PORTABLE_BINARY_OARCHIVE_HPP
  
  // MS compatible compilers support #pragma once
  #if defined(_MSC_VER) && (_MSC_VER >= 1020)
  # pragma once
  #endif
  
  /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
  // polymorphic_portable_binary_oarchive.hpp
  
  // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 
  // Use, modification and distribution is subject to the Boost Software
  // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  // http://www.boost.org/LICENSE_1_0.txt)
  
  //  See http://www.boost.org for updates, documentation, and revision history.
  
  #include <boost/archive/detail/polymorphic_oarchive_dispatch.hpp>
  #include "portable_binary_oarchive.hpp"
  
  typedef boost::archive::detail::polymorphic_oarchive_dispatch<
      portable_binary_oarchive
   > polymorphic_portable_binary_oarchive;
  
  #include <boost/version.hpp>
  #if BOOST_VERSION > 103401
      // required by export
      BOOST_SERIALIZATION_REGISTER_ARCHIVE(
          polymorphic_portable_binary_oarchive
      )
  #endif
  
  #endif // BOOST_ARCHIVE_POLYMORPHIC_PORTABLE_BINARY_OARCHIVE_HPP
  