diff -r db7d43b25c99 -r e0b08c9534ff src/Pure/Tools/codegen_serializer.ML
--- a/src/Pure/Tools/codegen_serializer.ML	Mon Nov 21 15:15:32 2005 +0100
+++ b/src/Pure/Tools/codegen_serializer.ML	Mon Nov 21 16:51:57 2005 +0100
@@ -18,7 +18,7 @@
   type 'a pretty_syntax = string -> Pretty.T list -> ('a -> Pretty.T)
     -> (string list * Pretty.T) option;
   type serializer = CodegenThingol.itype pretty_syntax -> CodegenThingol.iexpr pretty_syntax
-    -> primitives -> CodegenThingol.module -> Pretty.T;
+    -> primitives -> string list option -> CodegenThingol.module -> Pretty.T;
 
   val ml_from_thingol: string list list -> string -> serializer;
 end;
@@ -66,7 +66,7 @@
 type 'a pretty_syntax = string -> Pretty.T list -> ('a -> Pretty.T)
   -> (string list * Pretty.T) option;
 type serializer = CodegenThingol.itype pretty_syntax -> CodegenThingol.iexpr pretty_syntax
-  -> primitives -> CodegenThingol.module -> Pretty.T;
+  -> primitives -> string list option -> CodegenThingol.module -> Pretty.T;
 
 datatype lrx = L | R | X;
 
@@ -514,7 +514,7 @@
 
 in
 
-fun ml_from_thingol nspgrp name_root styco sconst prims module =
+fun ml_from_thingol nspgrp name_root styco sconst prims select module =
   let
     fun ml_from_module (name, ps) =
       Pretty.chunks ([
@@ -551,7 +551,7 @@
     |> debug 3 (fn _ => "connecting datatypes and classdecls...")
     |> connect_datatypes_clsdecls
     |> debug 3 (fn _ => "selecting submodule...")
-    |> I (*! HIER SOLLTE DAS TATSÄCHLICH STATTFINDEN !*)
+    |> (if is_some select then (partof o the) select else I)
     |> debug 3 (fn _ => "eta-expanding...")
     |> eta_expand eta_expander
     |> debug 5 (Pretty.output o pretty_module)