" vimslides -- presenation helper inside Vim
-" Copyright (C) 2015-2018 Sergey Matveev <stargrave@stargrave.org>
+" Copyright (C) 2015-2020 Sergey Matveev <stargrave@stargrave.org>
"
" This program is free software: you can redistribute it and/or modify
" it under the terms of the GNU General Public License as published by
-" the Free Software Foundation, either version 3 of the License, or
-" any later version.
+" the Free Software Foundation, version 3 of the License.
"
" This program is distributed in the hope that it will be useful,
" but WITHOUT ANY WARRANTY; without even the implied warranty of