packagemaker/templates/1/common/debian/copyright should comply with the latest machine readable copyright format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/ (suggested by @henrich, thanks!)
packagemaker/templates/1/common/debian/copyright should comply with the latest machine readable copyright format:
https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
(suggested by @henrich, thanks!)