[cvs-nhc98] patch applied (hat): Accept " data T a; " as a valid declaration of an abstract datatype.

Mon Sep 9 06:13:28 PDT 2002 malcolm * Accept "data T a;" as a valid declaration of an abstract datatype. There are no values of such a type, unless it is otherwise known to the compiler, or used in an FFI call (e.g. Ptr a). M ./src/compiler98/Parse.hs -4 +6