[happy @ 2002-03-05 15:43:18 by simonmar] - use a newtype rather than a type for the HappyAbsSyn declaration, so   as to avoid losing information in the type parameters.
[happy @ 2002-03-05 15:43:18 by simonmar]
- use a newtype rather than a type for the HappyAbsSyn declaration, so
  as to avoid losing information in the type parameters.

- apply a patch from Ross Patterson which adds type signatures to
  happyThen and happyReturn.


PhilThomas/happy,da-x/happy