This program is distributed with the following copyright notice

    Debgraph, a program like debtree to view ALL the Debian packages on your system.
    Copyright (C) 2026  Gary Gurlaskie

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License, version 3 as
    published by the Free Software Foundation.

    This program 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.


which can be identified by the SPDX identifier

    SPDX-License-Identifier: GPL-3.0-only