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diff --git a/helm/DEVEL/pxp/pxp/examples/validate/validate.ml b/helm/DEVEL/pxp/pxp/examples/validate/validate.ml
deleted file mode 100644
index 3bb83d2d1..000000000
--- a/helm/DEVEL/pxp/pxp/examples/validate/validate.ml
+++ /dev/null
@@ -1,126 +0,0 @@
-(* $Id$
- * ----------------------------------------------------------------------
- *
- *)
-
-
-open Pxp_document;;
-open Pxp_yacc;;
-open Pxp_types;;
-
-let error_happened = ref false;;
-
-let print_error e =
-  print_endline (string_of_exn e)
-;;
-
-class warner =
-  object 
-    method warn w =
-      print_endline ("WARNING: " ^ w)
-  end
-;;
-
-let parse debug wf iso88591 filename =
-  try 
-    (* Parse the document: *)
-    let parse_fn =
-      if wf then parse_wfdocument_entity 
-      else 
-	let index = new hash_index in
-	parse_document_entity 
-	  ?transform_dtd:None 
-	  ~id_index:(index :> 'ext index)
-    in
-    let doc =
-      parse_fn
-	  { default_config with 
-	      debugging_mode = debug;
-	      encoding = if iso88591 then `Enc_iso88591 else `Enc_utf8;
-	      idref_pass = true;
-	      warner = new warner
-          }
-	  (from_file filename)
-	  default_spec 
-    in
-    ()
-  with
-      e ->
-	(* Print error; remember that there was an error *)
-	error_happened := true;
-	print_error e
-;;
-
-
-let main() =
-  let debug = ref false in
-  let wf = ref false in
-  let iso88591 = ref false in
-  let files = ref [] in
-  Arg.parse
-      [ "-d",   Arg.Set debug, 
-           "             turn debugging mode on";
-	"-wf",  Arg.Set wf,    
-            "            check only on well-formedness";
-        "-iso-8859-1", Arg.Set iso88591, 
-                    "    use ISO-8859-1 as internal encoding instead of UTF-8";
-      ]
-      (fun x -> files := x :: !files)
-      "
-usage: pxpvalidate [options] file ...
-
-- checks the validity of XML documents. See below for list of options.
-
-<title>PXP - The XML parser for Objective Caml</title>
-
-List of options:";
-  files := List.rev !files;
-  List.iter (parse !debug !wf !iso88591) !files;
-;;
-
-
-main();
-if !error_happened then exit(1);;
-
-(* ======================================================================
- * History:
- * 
- * $Log$
- * Revision 1.1  2000/11/17 09:57:31  lpadovan
- * Initial revision
- *
- * Revision 1.10  2000/08/30 15:58:41  gerd
- * 	Updated.
- *
- * Revision 1.9  2000/07/14 14:57:30  gerd
- * 	Updated: warner
- *
- * Revision 1.8  2000/07/14 14:13:15  gerd
- * 	Cosmetic changes.
- *
- * Revision 1.7  2000/07/14 14:11:06  gerd
- * 	Updated because of changes of the PXP API.
- *
- * Revision 1.6  2000/07/08 21:53:00  gerd
- * 	Updated because of PXP interface changes.
- *
- * Revision 1.5  2000/06/04 20:21:55  gerd
- * 	Updated to new module names.
- *
- * Revision 1.4  2000/05/01 16:44:57  gerd
- * 	Added check for ID uniqueness.
- * 	Using new error formatter.
- *
- * Revision 1.3  1999/11/09 22:27:30  gerd
- * 	The programs returns now an exit code of 1 if one of the
- * XML files produces an error.
- *
- * Revision 1.2  1999/09/01 23:09:56  gerd
- * 	Added the option -wf that switches to well-formedness checking
- * instead of validation.
- *
- * Revision 1.1  1999/08/14 22:20:53  gerd
- * 	Initial revision.
- *
- * 
- *)