>> I suggest that in a range XXXX-YYYY, XXXX should be the year in
>> which the particular file was created or added to the repository.
>> YYYY should be updated every year and be identical everywhere.
>
> What about the mentioning of the `Last update'?
Honestly, I think it should be dropped everywhere. It's a nuisance to
maintain, and people who are working from the git directly know what
they do... For everybody else, they can look up all changes in the
ChangeLog file of a distribution tarball – this is the very reason we
maintain it.
Werner