Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.Approved by: re (implicit)Sponsored by: The FreeBSD Foundation
Merge mandoc from vendor into contrib and provide the necessary Makefile glue.It's not yet connected to the build.
Vendor import of mdocml 1.12.1It is a suite of ISC licensed tools to compile and render mdoc/man pages andwill replace groff for formatting manpages in the base system.http://mdocml.bsd.lv/