Add a 'check-groff-warnings' target to check if groff
reports warnings (the underlying problem may be causing
words or sentences not to be displayed) from
http://lintian.debian.org/tags/manpage-has-errors-from-man.html
Some edits by mtk.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
For some casual readers of the Makefile, "mkdir -p" is
probably a little easier to read than the equivalent "-make".
Reported-by: Reuben Thomas <rrt@sc3d.org>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
"uninstall" is the GNU standard name for the target,
so it'll be the one most users are used to.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>