ndnboost: Include boost::iostreams for internal use.
diff --git a/include/ndnboost/iostreams/imbue.hpp b/include/ndnboost/iostreams/imbue.hpp
new file mode 100644
index 0000000..de9ffb3
--- /dev/null
+++ b/include/ndnboost/iostreams/imbue.hpp
@@ -0,0 +1,82 @@
+// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
+// (C) Copyright 2003-2007 Jonathan Turkanis
+// 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.)
+
+// See http://www.boost.org/libs/iostreams for documentation.
+
+#ifndef NDNBOOST_IOSTREAMS_IMBUE_HPP_INCLUDED
+#define NDNBOOST_IOSTREAMS_IMBUE_HPP_INCLUDED
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+#include <ndnboost/config.hpp>  // DEDUCED_TYPENAME, MSVC.
+#include <ndnboost/detail/workaround.hpp>
+#include <ndnboost/iostreams/detail/dispatch.hpp>
+#include <ndnboost/iostreams/detail/streambuf.hpp>
+#include <ndnboost/iostreams/detail/wrap_unwrap.hpp>
+#include <ndnboost/iostreams/operations_fwd.hpp>
+#include <ndnboost/mpl/if.hpp>
+
+// Must come last.
+#include <ndnboost/iostreams/detail/config/disable_warnings.hpp>
+
+namespace ndnboost { namespace iostreams { 
+
+namespace detail {
+
+// Implementation templates for simulated tag dispatch.
+template<typename T> 
+struct imbue_impl;
+
+} // End namespace detail.
+
+template<typename T, typename Locale>
+void imbue(T& t, const Locale& loc)
+{ detail::imbue_impl<T>::imbue(detail::unwrap(t), loc); }
+
+namespace detail {
+
+//------------------Definition of imbue_impl----------------------------------//
+
+template<typename T>
+struct imbue_impl
+    : mpl::if_<
+          is_custom<T>,
+          operations<T>,
+          imbue_impl<
+              NDNBOOST_DEDUCED_TYPENAME
+              dispatch<
+                  T, streambuf_tag, localizable_tag, any_tag
+              >::type
+          >
+      >::type
+    { };
+
+template<>
+struct imbue_impl<any_tag> {
+    template<typename T, typename Locale>
+    static void imbue(T&, const Locale&) { }
+};
+
+template<>
+struct imbue_impl<streambuf_tag> {
+    template<typename T, typename Locale>
+    static void imbue(T& t, const Locale& loc) { t.pubimbue(loc); }
+};
+
+template<>
+struct imbue_impl<localizable_tag> {
+    template<typename T, typename Locale>
+    static void imbue(T& t, const Locale& loc) { t.imbue(loc); }
+};
+
+} // End namespace detail.
+
+} } // End namespaces iostreams, boost.
+
+#include <ndnboost/iostreams/detail/config/enable_warnings.hpp>
+
+#endif // #ifndef NDNBOOST_IOSTREAMS_IMBUE_HPP_INCLUDED