use_thys [
"Examples",
"Predicate_Compile_Tests",
(* "Predicate_Compile_Quickcheck_Examples", -- should be added again soon *)
"Specialisation_Examples",
"IMP_1",
"IMP_2",
"IMP_3",
"IMP_4"];
if getenv "EXEC_SWIPL" = "" andalso getenv "EXEC_YAP" = "" then
(warning "No prolog system found - skipping some example theories"; ())
else
(use_thys [
"Code_Prolog_Examples",
"Context_Free_Grammar_Example",
"Hotel_Example",
"Lambda_Example",
"List_Examples"];
Unsynchronized.setmp quick_and_dirty true use_thys ["Reg_Exp_Example"]);