packaging: sync debian/copyright with Debian official This exactly what went to the Debian official archive [1] as 10.5.3-4. Compare with [2] Basically I had to dig all copyright holders from file preambles and from the Mercurial history. [1]: https://packages.debian.org/bookworm/mercurial-evolve [2]: https://salsa.debian.org/python-team/packages/mercurial-evolve/-/blob/archive/debian/10.5.3-4/debian/copyright