By which I mean that that's probably all there really is to the rules. 
Sorry, should have made that clearer.

-- 
Lena

GFA/L/MU d- s:+ a-- C++ U--- P L- E? W++ N++ o? K? w++ O? M V? PS+ PE Y
PGP? t+ 5+++ X R+(*) tv b++(++++) DI+ D++ G++ e h- !r x-