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diff --git a/helm/DEVEL/pxp/pxp/lexers/pxp_lex_misc.src b/helm/DEVEL/pxp/pxp/lexers/pxp_lex_misc.src
deleted file mode 100644
index 2a0d29f58..000000000
--- a/helm/DEVEL/pxp/pxp/lexers/pxp_lex_misc.src
+++ /dev/null
@@ -1,146 +0,0 @@
-(* $Id$
- * ----------------------------------------------------------------------
- *
- *)
-
-
-{
-  open Pxp_types
-  open Pxp_lexer_types
-
-#insert open_pxp_lex_aux_*.src
-#insert pxp_lex_aux.src
-
-}
-
-#insert pxp_lex_defs_*.def
-
-(* The remaining, smaller lexers *)
-
-rule scan_characters = parse
-  character*
-    { () }
-| eof 
-    { () }
-| _
-    { raise Netconversion.Malformed_code }
-
-
-and scan_xml_pi = parse
-    name ws*
-      { let s = Lexing.lexeme lexbuf in
-	let j = get_name_end s 0 in
-	Pro_name (String.sub s 0 j)
-      }
-  | "=" ws*
-      { Pro_eq }
-  | "'" character_except_apos* "'" ws+
-      { let s = Lexing.lexeme lexbuf in
-	let j = String.index_from s 1 '\'' in
-	Pro_string (String.sub s 1 (j-1))
-      }
-  | "'"
-      { raise (WF_error ("Cannot find the second quotation mark"))
-      }
-  | '"' character_except_quot* '"' ws+
-      { let s = Lexing.lexeme lexbuf in
-	let j = String.index_from s 1 '"' in
-	Pro_string (String.sub s 1 (j-1))
-      }
-  | '"'
-      { raise (WF_error ("Cannot find the second quotation mark"))
-      }
-  | eof
-      { Pro_eof }
-  | character
-      { (* prerr_endline (Lexing.lexeme lexbuf); *)
-	raise (WF_error("Illegal token or character")) 
-      }
-  | _ 
-      { raise Netconversion.Malformed_code }
-
-and scan_only_xml_decl = parse
-    "<?xml" ws+ pi_string "?>"
-      { scan_pi (Lexing.lexeme lexbuf) scan_xml_pi }
-  | ""
-      { Eof }
-
-and scan_for_crlf = parse
-  | '\013' '\010'
-      { CharData "\n" }
-  | '\013'
-      { CharData "\n" }
-  | '\010'
-      { CharData "\n" }
-  | [^ '\010' '\013' ]+
-      { CharData (Lexing.lexeme lexbuf) }
-  | eof 
-      { Eof }
-
-and scan_content_comment = parse
-    "-->"
-      { Comment_end, Content }
-  | "--"
-      { raise (WF_error "Double hyphens are illegal inside comments") }
-  | "-"
-      { Comment_material "-", Content_comment }
-  | character_except_minus+
-      { Comment_material(Lexing.lexeme lexbuf), Content_comment }
-  | eof
-      { Eof, Content_comment }
-  | _
-      { raise Netconversion.Malformed_code }
-
-
-(* In declarations, comments are always thrown away. *)
-
-and scan_decl_comment = parse
-    "-->"
-      { Comment_end, Declaration }
-  | "--"
-      { raise (WF_error "Double hyphens are illegal inside comments") }
-  | "-"
-      { Comment_material "", Decl_comment }
-  | character_except_minus+
-      { Comment_material "", Decl_comment }
-  | eof
-      { Eof, Decl_comment }
-  | _
-      { raise Netconversion.Malformed_code }
-
-
-and scan_document_comment = parse
-    "-->"
-      { Comment_end, Document }
-  | "--"
-      { raise (WF_error "Double hyphens are illegal inside comments") }
-  | "-"
-      { Comment_material "-", Document_comment }
-  | character_except_minus+
-      { Comment_material(Lexing.lexeme lexbuf), Document_comment }
-  | eof
-      { Eof, Document_comment }
-  | _
-      { raise Netconversion.Malformed_code }
-
-(* ======================================================================
- * History:
- * 
- * $Log$
- * Revision 1.1  2000/11/17 09:57:32  lpadovan
- * Initial revision
- *
- * Revision 1.4  2000/08/18 20:19:59  gerd
- * 	Comments return different comment tokens.
- *
- * Revision 1.3  2000/08/14 22:18:34  gerd
- * 	Bad_character_stream -> Netconversion.Malformed_code
- *
- * Revision 1.2  2000/05/29 23:53:12  gerd
- * 	Updated because Markup_* modules have been renamed to Pxp_*.
- *
- * Revision 1.1  2000/05/20 20:33:25  gerd
- * 	Initial revision.
- *
- * 
- *)