SPDX-License-Identifier: GPL-3.0-or-later OR CC-BY-SA-4.0 OR GFDL-1.3-or-later

Copyright (C) 2022 Wojtek Kosior <koszko@koszko.org>

I, Wojtek Kosior, thereby promise not to sue for violation of the file's
licenses. Although I request that you do not make use of this work in a
proprietary product, I am not going to enforce this in court.