====================BSL-1.0====================
    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)


====================BSL-1.0====================
    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)


====================BSL-1.0====================
 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)


====================BSL-1.0====================
// 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)


====================BSL-1.0====================
// 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)


====================BSL-1.0====================
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)


====================BSL-1.0====================
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)


====================COPYRIGHT====================
    Copyright (c) 2000-2003 Brian McNamara and Yannis Smaragdakis
    Copyright (c) 2001-2007 Joel de Guzman
    Copyright (c) 2015 John Fletcher


====================COPYRIGHT====================
    Copyright (c) 2001-2007 Joel de Guzman
    Copyright (c) 2014      John Fletcher


====================COPYRIGHT====================
    Copyright (c) 2001-2007 Joel de Guzman
    Copyright (c) 2015 Kohei Takahashi


====================COPYRIGHT====================
    Copyright (c) 2001-2010 Joel de Guzman


====================COPYRIGHT====================
    Copyright (c) 2001-2010 Joel de Guzman
    Copyright (c) 2004 Daniel Wallin
    Copyright (c) 2010 Thomas Heller


====================COPYRIGHT====================
    Copyright (c) 2001-2010 Joel de Guzman
    Copyright (c) 2010      Eric Niebler
    Copyright (c) 2014-2015 John Fletcher
    Copyright (c) 2016      Kohei Takahashi


====================COPYRIGHT====================
    Copyright (c) 2004 Angus Leeming
    Copyright (c) 2004 Joel de Guzman


====================COPYRIGHT====================
    Copyright (c) 2004 Angus Leeming
    Copyright (c) 2006 Daniel Wallin
    Copyright (c) 2005 Dan Marsden
    Copyright (c) 2007 Joel de Guzman


====================COPYRIGHT====================
    Copyright (c) 2005-2007 Dan Marsden
    Copyright (c) 2005-2010 Joel de Guzman
    Copyright (c) 2010 Thomas Heller


====================COPYRIGHT====================
    Copyright (c) 2005-2008 Hartmut Kaiser
    Copyright (c) 2005-2010 Joel de Guzman
    Copyright (c) 2010 Thomas Heller
    Copyright (c) 2021 Beojan Stanislaus


====================COPYRIGHT====================
    Copyright (c) 2005-2008 Hartmut Kaiser
    Copyright (c) 2005-2010 Joel de Guzman
    Copyright (c) 2014-2015 John Fletcher


====================COPYRIGHT====================
    Copyright (c) 2005-2010 Joel de Guzman
    Copyright (c) 2010 Thomas Heller
    Copyright (c) 2014 John Fletcher


====================COPYRIGHT====================
    Copyright (c) 2005-2010 Joel de Guzman
    Copyright (c) 2010 Thomas Heller
    Copyright (c) 2018 Kohei Takahashi


====================COPYRIGHT====================
    Copyright (c) 2005-2010 Joel de Guzman
    Copyright (c) 2010-2011 Thomas Heller


====================COPYRIGHT====================
    Copyright (c) 2005-2010 Joel de Guzman
    Copyright (c) 2011 Thomas Heller


====================COPYRIGHT====================
    Copyright (c) 2005-2010 Joel de Guzman
    Copyright (c) 2015 John Fletcher


====================COPYRIGHT====================
    Copyright (c) 2005-2011 Joel de Guzman
    Copyright (c) 2011 Thomas Heller


====================COPYRIGHT====================
    Copyright (c) 2006 Daniel Wallin
    Copyright (c) 2005 Dan Marsden
    Copyright (c) 2007 Joel de Guzman


====================COPYRIGHT====================
    Copyright (c) 2011 Hartmut Kaiser


====================COPYRIGHT====================
    Copyright (c) 2011 Steven Watanabe


====================COPYRIGHT====================
// Copyright 2005 Daniel Wallin.
// Copyright 2005 Joel de Guzman.
// Copyright 2005 Dan Marsden.
// Copyright 2008 Hartmut Kaiser.
// Copyright 2015 John Fletcher.


====================COPYRIGHT====================
// Copyright 2005 Daniel Wallin. 
// Copyright 2005 Joel de Guzman.
// Copyright 2005 Dan Marsden. 


====================COPYRIGHT====================
// Modeled after range_ex, Copyright 2004 Eric Niebler


====================COPYRIGHT====================
Copyright (c) 2005-2010 Joel de Guzman
Copyright (c) 2010-2013 Thomas Heller
Copyright (c) 2014-2015 John Fletcher
Copyright (c) 2016 Kohei Takahashi