macro and text revision (-mdoc version 3)

SCCS-vsn: bin/sync/sync.8 6.3
SCCS-vsn: games/dm/dm.8 5.10
SCCS-vsn: games/fortune/strfile/strfile.8 5.9
SCCS-vsn: local/kerberosIV/make_keypair/make_keypair.8 1.2
SCCS-vsn: local/kerberosIV/registerd/registerd.8 5.2
SCCS-vsn: libexec/bugfiler/bugfiler.8 6.11
SCCS-vsn: libexec/comsat/comsat.8 6.5
SCCS-vsn: libexec/fingerd/fingerd.8 6.4
SCCS-vsn: libexec/ftpd/ftpd.8 6.9
SCCS-vsn: libexec/kpasswdd/kpasswdd.8 1.3
SCCS-vsn: libexec/makekey/makekey.8 6.4
SCCS-vsn: libexec/rexecd/rexecd.8 6.5
SCCS-vsn: libexec/rlogind/rlogind.8 6.12
SCCS-vsn: libexec/talkd/talkd.8 6.5
SCCS-vsn: libexec/tftpd/tftpd.8 6.6
SCCS-vsn: sbin/XNSrouted/XNSrouted.8 6.4
SCCS-vsn: sbin/badsect/badsect.8 6.4
SCCS-vsn: sbin/dmesg/dmesg.8 6.4
SCCS-vsn: sbin/dump/dump.8 6.6
SCCS-vsn: sbin/dumpfs/dumpfs.8 6.2
SCCS-vsn: old/enpload/enpload.8 5.4
SCCS-vsn: sbin/fastboot/fastboot.8 6.3
SCCS-vsn: sbin/reboot/halt.8 6.5
SCCS-vsn: sbin/ifconfig/ifconfig.8 6.13