Squashed 'third_party/boostorg/preprocessor/' content from commit 56090c5

Change-Id: I8c0a13225778c3751a35945439d5304bd9e639ef
git-subtree-dir: third_party/boostorg/preprocessor
git-subtree-split: 56090c56b5c78418b6dbe8c3c2ba576395152f83
diff --git a/include/boost/preprocessor/punctuation/paren.hpp b/include/boost/preprocessor/punctuation/paren.hpp
new file mode 100644
index 0000000..28c18cb
--- /dev/null
+++ b/include/boost/preprocessor/punctuation/paren.hpp
@@ -0,0 +1,23 @@
+# /* **************************************************************************
+#  *                                                                          *
+#  *     (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_PUNCTUATION_PAREN_HPP
+# define BOOST_PREPROCESSOR_PUNCTUATION_PAREN_HPP
+#
+# /* BOOST_PP_LPAREN */
+#
+# define BOOST_PP_LPAREN() (
+#
+# /* BOOST_PP_RPAREN */
+#
+# define BOOST_PP_RPAREN() )
+#
+# endif