docs/84550: mdoc(7) manpage erroneously requires SYNOPSIS section

[Gary W. Swearingen]

Giorgos Keramidas <keramida at freebsd.org> writes:

> Err, sorry about this.  I seem to have lost the original post.
> My fault entirely, for which I apologise.

No need for any of that.  You weren't involved (yet) as I was dealing
with Ruslan and wl at GNU.org and the changes were not important
enough to bother re-importing until bigger changes are made.