// Copyright 2011-2012 Renato Tegon Forti
// Copyright 2014 Renato Tegon Forti, Antony Polukhin.
-// Copyright 2015-2020 Antony Polukhin.
+// Copyright Antony Polukhin, 2015-2022.
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt