good news indeed! 

On 10/20/07, Duncan Coutts <duncan.coutts@worc.ox.ac.uk> wrote:
On Fri, 2007-10-19 at 09:41 -0700, Conal Elliott wrote:
> Will hackage docs use haddock 2.0 any time soon, for libraries that
> use language extensions not supported by the older haddock?

David Waern told me today that he's working on a new patch to integrate
haddock-2.0 support into Cabal. So when that's done and haddock-2.0 is
released then I expect we can use it on hackage.

Duncan