This permut package is
Copyright (c) 2000-2022, by
Adolfo Ballester-Bolinches <Adolfo.Ballester@uv.es>,
Enric Cosme-Ll\
'opez , and
Ramón Esteban-Romero <Ramon.Esteban@uv.es>.
It may be freely distributed under the terms of the GNU
public license
(see GPL in
this directory), version 2
or (at your option) any later
version.
