2 Copyright Oliver Kowalke 2013.
3 Distributed under the Boost Software License, Version 1.0.
4 (See accompanying file LICENSE_1_0.txt or copy at
5 http://www.boost.org/LICENSE_1_0.txt
8 [section:acknowledgements Acknowledgments]
10 I'd like to thank Agustín Bergé, Eugene Yakubovich,
11 Giovanni Piero Deretta and especially Nat Goodspeed.