-#ifndef BOOST_PREPROCESSOR_EXPR_IF_HPP
-#define BOOST_PREPROCESSOR_EXPR_IF_HPP
-
-/* Copyright (C) 2002
- * Housemarque Oy
- * http://www.housemarque.com
- *
- * Permission to copy, use, modify, sell and distribute this software is
- * granted provided this copyright notice appears in all copies. This
- * software is provided "as is" without express or implied warranty, and
- * with no claim as to its suitability for any purpose.
- *
- * See http://www.boost.org for most recent version.
- */
-
-#include <boost/preprocessor/logical/bool.hpp>
-
-/** <p>Expands to <code>EXPR</code> if <code>COND != 0</code> and to nothing if <code>COND == 0</code>.</p>
-
-<p><code>COND</code> must expand to an integer literal in the range [0, BOOST_PP_LIMIT_MAG].</p>
-
-<p>For example, <code>BOOST_PP_EXPR_IF(1,^)</code> expands to <code>^</code>.</p>
-
-<h3>See</h3>
-<ul>
- <li>BOOST_PP_IF()</li>
-</ul>
-*/
-#define BOOST_PP_EXPR_IF(COND,EXPR) BOOST_PP_EXPR_IF_BOOL(BOOST_PP_BOOL(COND))(EXPR)
-
-#define BOOST_PP_EXPR_IF_BOOL(C) BOOST_PP_EXPR_IF_BOOL_DELAY(C)
-#define BOOST_PP_EXPR_IF_BOOL_DELAY(C) BOOST_PP_EXPR_IF_BOOL##C
-#define BOOST_PP_EXPR_IF_BOOL0(E)
-#define BOOST_PP_EXPR_IF_BOOL1(E) E
-#endif
+# /* **************************************************************************
+# * *
+# * (C) Copyright Paul Mensonides 2002.
+# * 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 for most recent version. */
+#
+# ifndef BOOST_PREPROCESSOR_EXPR_IF_HPP
+# define BOOST_PREPROCESSOR_EXPR_IF_HPP
+#
+# include <boost/preprocessor/control/expr_if.hpp>
+#
+# endif