src/Pure/RAW/share_common_data_polyml-5.3.0.ML

Added approximation of powr to NEWS/CONTRIBUTORS

(*  Title:      Pure/RAW/share_common_data_polyml-5.3.0.ML

Dummy for Poly/ML 5.3.0, which cannot share the massive heap of HOL
anymore.
*)

structure PolyML =
struct
  open PolyML;
  fun shareCommonData _ = ();
end;