Update to [mod_ldap for proftpd is now post-card licensed (proftpd 1.2.7+)]
> So we could go straight with proftpd 1.2.8. The release currently
> in sid will be updated as a consequence.
> The license problem unfortunately applies to woody release, also.
> Maybe should we propose an update for this in r2? IMHO we could
> consider to add a note in its README.Debian. Unluckily, 1.2.11 is not
> functionally the same as 1.2.10, so a patch should be avoided...
Ask him to retroactively license the old version under the GPL as well,
and you only need to update the copyright file.