src/HOL/Prolog/ROOT.ML

added type global_theory -- theory or local_theory;
added begin/exit_local_theory;
removed theory_context;
renamed body_context_node to presentation_context;
removed copy (checkpoint twice instead -- avoids unrelated theories);

(*  Title:    HOL/Prolog/ROOT.ML
    ID:       $Id$
    Author:   David von Oheimb (based on a lecture on Lambda Prolog by Nadathur)
*)

use_thy"Test";
use_thy"Type";