/defaults  type:=program  -*          mount:="/usr/sbin/snapshot
snapshot     mount     /${key}     ${fs}";\     -             un-
mount:="/usr/sbin/snapshot    snapshot    umount    ${fs}"     +*
mount:="%%PREFIX%%/sbin/snapshot  snapshot mount /${key} ${fs}";\
+           unmount:="%%PREFIX%%/sbin/snapshot  snapshot   umount
${fs}"
 .Ed
 .Pp
 and a @@ -232,7 +232,7 @@
 configuration of
 .Bd -literal -offset indent
 amd_enable="YES"  -amd_flags="-a  /.am  -c  1800 -w 60 -l syslog
/snap /etc/amd.map.snap" +amd_flags="-a /.am -c  1800  -w  60  -l
syslog /snap %%PREFIX%%/etc/amd.map.snap"
 .Ed
 .Pp
 even non-privileged users can access arbitrary snapshots