To support the exegesis of the specifications, the group may define a non-exhaustive set of non-normative policies protocol participants may enforce.
I'm not sure whether to laugh or cry at this sentence in the 3rd paragraph, but one thing's certain, it doesn't help at all. In fact, the world would be a far better place without it. ;-)
I would normally give reasons, but in this case the sentence is just so far beyond the pale that with a bit of luck it'll just disappear without further ado through universal revulsion. ;-)
Morgaine.
Plain English Campaign.