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diff --git a/src/boost/libs/serialization/example/demo_trivial_archive.cpp b/src/boost/libs/serialization/example/demo_trivial_archive.cpp
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+++ b/src/boost/libs/serialization/example/demo_trivial_archive.cpp
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+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+//
+// demo_trivial_archive.cpp
+//
+// (C) Copyright 2009 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)
+
+#include <cstddef> // std::size_t
+#include <boost/mpl/bool.hpp>
+
+/////////////////////////////////////////////////////////////////////////
+// class trivial_oarchive
+class trivial_oarchive {
+
+public:
+    //////////////////////////////////////////////////////////
+    // public interface used by programs that use the
+    // serialization library
+    typedef boost::mpl::bool_<true> is_saving;
+    typedef boost::mpl::bool_<false> is_loading;
+    template<class T> void register_type(){}
+    template<class T> trivial_oarchive & operator<<(const T & t){
+        return *this;
+    }
+    template<class T> trivial_oarchive & operator&(const T & t){
+        return *this << t;
+    }
+    void save_binary(void *address, std::size_t count){};
+};
+
+#include "demo_gps.hpp"
+
+int main(int argc, char *argv[])
+{
+    // make the schedule
+    bus_schedule schedule;
+
+    // fill in the data
+    // make a few stops
+    bus_stop *bs0 = new bus_stop_corner(
+        gps_position(34, 135, 52.560f),
+        gps_position(134, 22, 78.30f),
+        "24th Street", "10th Avenue"
+    );
+    bus_stop *bs1 = new bus_stop_corner(
+        gps_position(35, 137, 23.456f),
+        gps_position(133, 35, 54.12f),
+        "State street", "Cathedral Vista Lane"
+    );
+    bus_stop *bs2 = new bus_stop_destination(
+        gps_position(35, 136, 15.456f),
+        gps_position(133, 32, 15.300f),
+        "White House"
+    );
+    bus_stop *bs3 = new bus_stop_destination(
+        gps_position(35, 134, 48.789f),
+        gps_position(133, 32, 16.230f),
+        "Lincoln Memorial"
+    );
+
+    // make a  routes
+    bus_route route0;
+    route0.append(bs0);
+    route0.append(bs1);
+    route0.append(bs2);
+
+    // add trips to schedule
+    schedule.append("bob", 6, 24, &route0);
+    schedule.append("bob", 9, 57, &route0);
+    schedule.append("alice", 11, 02, &route0);
+
+    // make aother routes
+    bus_route route1;
+    route1.append(bs3);
+    route1.append(bs2);
+    route1.append(bs1);
+
+    // add trips to schedule
+    schedule.append("ted", 7, 17, &route1);
+    schedule.append("ted", 9, 38, &route1);
+    schedule.append("alice", 11, 47, &route1);
+
+    // display the complete schedule
+    trivial_oarchive ta;
+    ta << schedule;
+
+    delete bs0;
+    delete bs1;
+    delete bs2;
+    delete bs3;
+    return 0;
+}