text: # /* **************************************************************************
  #  *                                                                          *
  #  *     (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_IF_HPP
  # define BOOST_PREPROCESSOR_PUNCTUATION_PAREN_IF_HPP
  #
  # include <Awl/boost/preprocessor/config/config.hpp>
  # include <Awl/boost/preprocessor/control/if.hpp>
  # include <Awl/boost/preprocessor/facilities/empty.hpp>
  # include <Awl/boost/preprocessor/punctuation/paren.hpp>
  #
  # /* BOOST_PP_LPAREN_IF */
  #
  # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  #    define BOOST_PP_LPAREN_IF(cond) BOOST_PP_IF(cond, BOOST_PP_LPAREN, BOOST_PP_EMPTY)()
  # else
  #    define BOOST_PP_LPAREN_IF(cond) BOOST_PP_LPAREN_IF_I(cond)
  #    define BOOST_PP_LPAREN_IF_I(cond) BOOST_PP_IF(cond, BOOST_PP_LPAREN, BOOST_PP_EMPTY)()
  # endif
  #
  # /* BOOST_PP_RPAREN_IF */
  #
  # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  #    define BOOST_PP_RPAREN_IF(cond) BOOST_PP_IF(cond, BOOST_PP_RPAREN, BOOST_PP_EMPTY)()
  # else
  #    define BOOST_PP_RPAREN_IF(cond) BOOST_PP_RPAREN_IF_I(cond)
  #    define BOOST_PP_RPAREN_IF_I(cond) BOOST_PP_IF(cond, BOOST_PP_RPAREN, BOOST_PP_EMPTY)()
  # endif
  #
  # endif
  