Information given by :info (Was: Some random newbie questions)

On Mon, 10 Jan 2005, John Hughes wrote:

> What IS useful, right from the beginning, is the list of instances. What 
> are Num types? Oh, integers and reals.  What are Show types? Oh, pretty 
> much everything. Particularly when debugging "missing instance" errors, 
> this is just the information you need.

Good idea! What I also would like to see is the Haddock documentation
string of a function printed by ":info" or some other command.