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diff --git a/src/boost/libs/python/test/pickle4.cpp b/src/boost/libs/python/test/pickle4.cpp
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+++ b/src/boost/libs/python/test/pickle4.cpp
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+// Copyright Ralf W. Grosse-Kunstleve 2004. Distributed under 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)
+
+/*
+    This example shows how to enable pickling without using the
+    pickle_suite. The pickling interface (__getinitargs__) is
+    implemented in Python.
+
+    For more information refer to boost/libs/python/doc/pickle.html.
+ */
+
+#include <boost/python/module.hpp>
+#include <boost/python/class.hpp>
+
+#include <string>
+
+namespace boost_python_test {
+
+  // A friendly class.
+  class world
+  {
+    private:
+      std::string country;
+    public:
+      world(const std::string& _country) {
+        this->country = _country;
+      }
+      std::string greet() const { return "Hello from " + country + "!"; }
+      std::string get_country() const { return country; }
+  };
+
+}
+
+BOOST_PYTHON_MODULE(pickle4_ext)
+{
+  using namespace boost::python;
+  using namespace boost_python_test;
+  class_<world>("world", init<const std::string&>())
+      .enable_pickling()
+      .def("greet", &world::greet)
+      .def("get_country", &world::get_country)
+      ;
+}