src/Pure/ML-Systems/share_common_data_polyml-5.3.0.ML

explicit indication of outer syntax with no tokens;
uniform Isabelle.markers, based on syntax specification -- no tokens for NEWS;

(*  Title:      Pure/ML-Systems/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;