The base manpages have been rewritten from man(7) to mdoc(7) some time ago, but it seems this has been left in scan_ffs(8):
Index: scan_ffs.8 =================================================================== RCS file: /cvs/src/sbin/scan_ffs/scan_ffs.8,v retrieving revision 1.16 diff -u -p -u -p -r1.16 scan_ffs.8 --- scan_ffs.8 23 Mar 2008 23:28:46 -0000 1.16 +++ scan_ffs.8 4 Jul 2013 09:54:27 -0000 @@ -23,7 +23,6 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.\" .TH scan_ffs 8 .Dd $Mdocdate: March 23 2008 $ .Dt SCAN_FFS 8 .Os Also, usr/src/usr.bin/tic/tic.1 and usr/src/usr.bin/tic/infotocap.1 seem to be in man(7) - are these maintained in curses, out of our tree, or should these be rewritten to mdoc(7) too? Jan