* Jakub Wilk <jwilk@debian.org>, 2016-04-07, 14:55:
*.manpages are mostly useful for manual pages that weren't installed by the upstream build system. (Perhaps the dh_installmanpages documentation should be more clear about it...)
Oops, I meant s/dh_installmanpages/dh_installman/. -- Jakub Wilk