[development] RFC: info hook standardization

[Earl Miles]

David Strauss wrote:
> Great proposal.
> 
> One addition: a way to invalidate the cache of an info hook if your
> info hook does something like reading from a database table. This
> would be the case if, say, your module generates a configurable set
> of ad blocks.

You echoed my issue comment as well. It's very very important to be able 
to do this easily, IMO.