restructuring the mtl

[Neil Mitchell]

Hi

I'm not a massive Control.Monad user, but:

> The plan is to split Control.Monad.Identity, Control.Monad.Trans and
> Control.Monad.Trans.* off into a separate (portable) package.

Isn't Control.Monad.Identity very simple, very short and totally
Haskell 98? Why can't it go in the standard MTL? I've only used State
and Identity out of all the monads in MTL.

Thanks

Neil