--others:
import Id ( DictVar(..), Id(..), GenId )
import Outputable
-import PprType ( pprType )
import Pretty
import SrcLoc ( SrcLoc{-instances-} )
-import TyVar ( GenTyVar{-instances-} )
+--import TyVar ( GenTyVar{-instances-} )
\end{code}
%************************************************************************