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.lslboost.org/LICENSE_1_0.txt)
  #  *                                                                          *
  #  ************************************************************************** */
  #
  # /* See http://www.lslboost.org for most recent version. */
  #
  # ifndef BOOST_PREPROCESSOR_DEBUG_LINE_HPP
  # define BOOST_PREPROCESSOR_DEBUG_LINE_HPP
  #
  # include <lslboost/preprocessor/cat.hpp>
  # include <lslboost/preprocessor/config/config.hpp>
  # include <lslboost/preprocessor/iteration/iterate.hpp>
  # include <lslboost/preprocessor/stringize.hpp>
  #
  # /* BOOST_PP_LINE */
  #
  # if BOOST_PP_CONFIG_EXTENDED_LINE_INFO
  #    define BOOST_PP_LINE(line, file) line BOOST_PP_CAT(BOOST_PP_LINE_, BOOST_PP_IS_ITERATING)(file)
  #    define BOOST_PP_LINE_BOOST_PP_IS_ITERATING(file) #file
  #    define BOOST_PP_LINE_1(file) BOOST_PP_STRINGIZE(file BOOST_PP_CAT(BOOST_PP_LINE_I_, BOOST_PP_ITERATION_DEPTH())())
  #    define BOOST_PP_LINE_I_1() [BOOST_PP_FRAME_ITERATION(1)]
  #    define BOOST_PP_LINE_I_2() BOOST_PP_LINE_I_1()[BOOST_PP_FRAME_ITERATION(2)]
  #    define BOOST_PP_LINE_I_3() BOOST_PP_LINE_I_2()[BOOST_PP_FRAME_ITERATION(3)]
  #    define BOOST_PP_LINE_I_4() BOOST_PP_LINE_I_3()[BOOST_PP_FRAME_ITERATION(4)]
  #    define BOOST_PP_LINE_I_5() BOOST_PP_LINE_I_4()[BOOST_PP_FRAME_ITERATION(5)]
  # else
  #    define BOOST_PP_LINE(line, file) line __FILE__
  # endif
  #
  # endif
  