src/Pure/ML/ml_name_space.ML

--- a/src/Pure/ML/ml_name_space.ML	Tue Apr 05 18:25:42 2016 +0200
+++ b/src/Pure/ML/ml_name_space.ML	Tue Apr 05 19:41:58 2016 +0200
@@ -58,17 +58,22 @@
   fun displayFunct (x, depth, space) = Functors.print (x, depth, SOME space);
 
 
-  (* Standard ML name space *)
+  (* bootstrap environment *)
 
-  val excluded_values = ["use", "exit"];
-  val excluded_structures = ["PolyML", "CInterface", "Foreign", "RunCall", "RuntimeCalls", "Signal"];
+  val bootstrap_values =
+    ["use", "exit", "ML_system_pretty", "ML_system_pp", "ML_system_overload"];
+  val bootstrap_structures =
+    ["PolyML", "CInterface", "Foreign", "RunCall", "RuntimeCalls", "Signal"];
+
+
+  (* Standard ML environment *)
 
   val sml_val =
-    List.filter (fn (a, _) => List.all (fn b => a <> b) excluded_values) (#allVal global ());
+    List.filter (fn (a, _) => List.all (fn b => a <> b) bootstrap_values) (#allVal global ());
   val sml_type = #allType global ();
   val sml_fixity = #allFix global ();
   val sml_structure =
-    List.filter (fn (a, _) => List.all (fn b => a <> b) excluded_structures) (#allStruct global ());
+    List.filter (fn (a, _) => List.all (fn b => a <> b) bootstrap_structures) (#allStruct global ());
   val sml_signature = #allSig global ();
   val sml_functor = #allFunct global ();
 end;