Bug 1713 - You can't check the existence of a typedef using the preprocessor. Added a preprocessor check. Also removed an overqualified method name.
// Copyright Daniel Wallin, David Abrahams 2005. Use, modification and
// distribution is subject to 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)
#ifndef BOOST_PARAMETER_CONFIG_050403_HPP
#define BOOST_PARAMETER_CONFIG_050403_HPP
#ifndef BOOST_PARAMETER_MAX_ARITY
# define BOOST_PARAMETER_MAX_ARITY 5
#endif
#endif // BOOST_PARAMETER_CONFIG_050403_HPP