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diff --git a/helm/DEVEL/pxp/pxp/lexers/pxp_lex_content.src b/helm/DEVEL/pxp/pxp/lexers/pxp_lex_content.src
deleted file mode 100644
index 3df202568..000000000
--- a/helm/DEVEL/pxp/pxp/lexers/pxp_lex_content.src
+++ /dev/null
@@ -1,107 +0,0 @@
-(* $Id$
- * ----------------------------------------------------------------------
- *
- *)
-
-
-{
-  open Pxp_types
-  open Pxp_lexer_types
-
-#insert pxp_lex_aux.src
-
-#insert open_pxp_lex_aux_*.src
-#insert open_pxp_lex_misc_*.src
-
-}
-
-#insert pxp_lex_defs_*.def
-
-rule scan_content = parse
-    "<?" pi_string "?>"
-      { scan_pi (Lexing.lexeme lexbuf) scan_xml_pi, Content }
-  | "<?"
-      { raise (WF_error ("Illegal processing instruction")) }
-  | "<!--"
-      { Comment_begin, Content_comment }
-  | '<' '/'? name
-      (* One rule for Tag_beg and Tag_end saves transitions. *)
-      { let s = Lexing.lexeme lexbuf in
-	if s.[1] = '/' then
-	  Tag_end (String.sub s 2 (String.length s - 2), dummy_entity), 
-	  Within_tag 
-	else
-	  Tag_beg (String.sub s 1 (String.length s - 1), dummy_entity), 
-	  Within_tag 
-      }
-  | "<![CDATA[" cdata_string "]]>"
-      { let s = Lexing.lexeme lexbuf in
-	Cdata (String.sub s 9 (String.length s - 12)), Content }
-  | "<!"
-      { raise (WF_error "Declaration either malformed or not allowed in this context") 
-      }
-  | "<"
-      { raise (WF_error ("The left angle bracket '<' must be written as '&lt;'"))
-      }
-  | "&#" ascii_digit+ ";"
-      { let s = Lexing.lexeme lexbuf in
-	CRef (int_of_string (String.sub s 2 (String.length s - 3))), Content }
-  | "&#x" ascii_hexdigit+ ";"
-      { let s = Lexing.lexeme lexbuf in
-	CRef (int_of_string ("0x" ^ String.sub s 3 (String.length s - 4))), Content }
-  | "&" name ";"
-      { let s = Lexing.lexeme lexbuf in
-	ERef (String.sub s 1 (String.length s - 2)), Content }
-  | "&" 
-      { raise (WF_error ("The ampersand '&' must be written as '&amp;'"))
-      }
-
-  (* LineEnd: Depending on whether we are reading from a primary source
-   * (file) or from the replacement text of an internal entity, line endings
-   * must be normalized (converted to \n) or not.
-   * The entity classes do that. The yacc parser will never see LineEnd;
-   * this token is always converted to the appropriate CharData token.
-   *)
-
-  | '\013' '\010'
-      { tok_LineEndCRLF__Content }
-  | '\013'
-      { tok_LineEndCR__Content }
-  | '\010'
-      { tok_LineEndLF__Content }
-  | eof
-      { tok_Eof__Content }
-  | "]]>" 
-      { raise (WF_error ("The sequence ']]>' must be written as ']]&gt;'"))
-      }
-  | "]"
-      { tok_CharDataRBRACKET__Content }
-  | normal_character+
-      { let s = Lexing.lexeme lexbuf in
-	CharData s, Content 
-      }
-  | _
-      { 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.
- *
- * 
- *)