More C interfacing issues

[Malcolm Wallace]

Alastair Reid <reid at reid-consulting-uk.ltd.uk> writes:

> Hugs supports:
> 
>   data Window
> 
> and I believe GHC and NHC do too.  (Malcolm, SimonM: please shout if I 
> overstate.)

nhc98 does not support blank data declarations.

Regards,
    Malcolm