Rules are what make up the core logic of the introspector; you'll need to pass
South a (possibly empty) list of them. They consist of a tuple, containing:
- - A
class or tuple of classes to which the rules apply (remember, the rules
+ - A classes to which the rules apply (remember, the rules
apply to the specified classes and all subclasses of them).
- Rules for recovering positional arguments, in order of the arguments (you are