Simple handling of
 UNCLASSIFIED
 RESTRICTED
 CONFIDENTIAL
 SECRET
 TOP SECRET
via include files

To use:
cp -L setrans.conf /etc/selinux/mls/
cp -L secolor.conf /etc/selinux/mls/
rm -f /etc/selinux/mls/setrans.d/*
cp setrans.d/*  /etc/selinux/mls/setrans.d
run_init /etc/init.d/mcstrans restart

To test:
/usr/share/mcstrans/util/mlstrans-test urcsts.test