groff 1.16.1 manuals and recent MFC'ed manuals
Submitted by: HIRATA Tadashi <heita@mb.infoweb.ne.jp> (afmtodit.1),
Yoshihiko SARUMARU <mistral@imasy.or.jp>
(realpath.1, grolbp.1, hpftodit.1),
Yoshiteru Kageyama <kageyama@cig.nml.mot.com>
(grn.1, groff_tmac.5, groff_man.7, groff_markup.7, mmroff.7, roff.7),
NAKANO Takeo <nakano@apm.seikei.ac.jp>
(pkg_update.1, pkg_sign.1, make.conf.5)