--- src/pa_odn.ml	2011-09-14 10:40:09.900536751 +0400
+++ src/pa_odn.ml	2011-09-14 10:40:09.923870009 +0400
@@ -31,6 +31,15 @@
 open Ast;;
 open Pa_type_conv;;

+
+module Gen = struct
+  include Gen
+
+  (* Compatibility functions, removed from type-conv > 2.3 *)
+  let idp _loc id = <:patt< $lid:id$ >>
+  let ide _loc id = <:expr< $lid:id$ >>
+end
+
 let dbug =
   prerr_endline
 ;;