Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/ Files: * Copyright: 2006-2007 Joe Baldwin License: custom Files: debian/* Copyright: 2017 Mattia Rizzolo License: custom License: custom LICENSE INFORMATION: I don't give a flying f*ck what you do with this program or its code. Really. I don't care. Not one bit. Use it in a program, change the code, redistribute the code (changed or not changed...whatever). You're allowed to do anything and everything with it. Maybe Windows Vista will include a "Check EAN check digit" function, based on this. I very much doubt it.