+;;; (c) 2021 Mark Wooding
+
+;;;----- Licensing notice ---------------------------------------------------
+;;;
+;;; This file is part of ZX Fizzbuzz.
+;;;
+;;; ZX Fizzbuzz is free software: you can redistribute it and/or modify it
+;;; under the terms of the GNU Lesser General Public License as published
+;;; by the Free Software Foundation; either version 3 of the License, or
+;;; (at your option) any later version.
+;;;
+;;; ZX Fizzbuzz is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;;; Lesser General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU Lesser General Public
+;;; License along with ZX Fizzbuzz. If not, see
+;;; <https://www.gnu.org/licenses/>.