FIG : Facility for Interactive Generation of figures
Copyright (c) 1985-1988 by Supoj Sutanthavibul
Parts Copyright (c) 1989-2015 by Brian V. Smith
Parts Copyright (c) 1991 by Paul King
Parts Copyright (c) 2016-2020 by Thomas Loimer

Any party obtaining a copy of these files is granted, free of charge, a
full and unrestricted irrevocable, world-wide, paid up, royalty-free,
nonexclusive right and license to deal in this software and documentation
files (the "Software"), including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense and/or sell copies
of the Software, and to permit persons who receive copies from any such
party to do so, with the only requirement being that the above copyright
and this permission notice remain intact.
