Control: tags -1 pending FYI the DEP-5 headers in copyright files are implemented[1] and will be shipped in the next version.
The DEP-3 part still needs to be done but may be more involved as it should work with diff mode. Please feel free to file a separate tracking bug for this. [1] https://salsa.debian.org/emacsen-team/dpkg-dev-el/-/commit/d475bd2f0746f2cae65c71cbdf53f70c3bb2e128 -- Xiyue Deng