http://svnweb.freebsd.org/base/releng/10.1/etc/rc.d/power_pr...

so what?

Also: Usage: $0 [0x00|0x01]. That is the real unix way these people is proposing.

The idea is that rcNG makes things simple, but it doesn't stand on your way if you want something more complex or in this case you want to make it harder to use than it needs to be.