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diff --git a/helm/ocaml/tex_cic_textual_parser/texCicTextualLexer.mll b/helm/ocaml/tex_cic_textual_parser/texCicTextualLexer.mll
deleted file mode 100644
index 5ab17fa80..000000000
--- a/helm/ocaml/tex_cic_textual_parser/texCicTextualLexer.mll
+++ /dev/null
@@ -1,134 +0,0 @@
-(* Copyright (C) 2000, HELM Team.
- * 
- * This file is part of HELM, an Hypertextual, Electronic
- * Library of Mathematics, developed at the Computer Science
- * Department, University of Bologna, Italy.
- * 
- * HELM is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * 
- * HELM is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with HELM; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA  02111-1307, USA.
- * 
- * For details, see the HELM World-Wide-Web page,
- * http://cs.unibo.it/helm/.
- *)
-
-{
- open TexCicTextualParser;;
- module L = Lexing;;
- module U = UriManager;;
-
- let indtyuri_of_uri uri =
-  let index_sharp =  String.index uri '#' in
-  let index_num = index_sharp + 3 in
-   try
-    (UriManager.uri_of_string (String.sub uri 0 index_sharp),
-     int_of_string(String.sub uri index_num (String.length uri - index_num)) - 1
-    )
-   with
-    Failure msg ->
-     raise (CicTextualParser0.LexerFailure "Not an inductive URI")
- ;;
-
- let indconuri_of_uri uri =
-  let index_sharp =  String.index uri '#' in
-  let index_div = String.rindex uri '/' in
-  let index_con = index_div + 1 in
-   try
-    (UriManager.uri_of_string (String.sub uri 0 index_sharp),
-     int_of_string
-      (String.sub uri (index_sharp + 3) (index_div - index_sharp - 3)) - 1,
-     int_of_string
-      (String.sub uri index_con (String.length uri - index_con))
-    )
-   with
-    Failure msg ->
-     raise (CicTextualParser0.LexerFailure "Not a constructor URI")
- ;;
-
- (* TeX unquoting for "_" *)
- let unquote str =
-  Str.global_replace (Str.regexp "\\\\_") "_" str
- ;;
-}
-let dollar = '$'
-let num = ['1'-'9']['0'-'9']* | '0'
-let letter = ['A'-'Z' 'a'-'z']
-let alfa = letter | ['_' ''' '-'] | "\\_"
-let ident = letter (alfa | num)*
-let baseuri = '/'(ident '/')* ident '.'
-let conuri = baseuri "con"
-let varuri = baseuri "var"
-let indtyuri = baseuri "ind#1/" num
-let indconuri = baseuri "ind#1/" num "/" num
-let blanks = [' ' '\t' '\n' '~' '{' '}'] | "\\;" | "\\rm"
-rule token =
- parse
-    blanks      { token lexbuf } (* skip blanks *)
-  | "\\Case"    { CASE }
-  | "\\Fix"     { FIX }
-  | "\\CoFix"   { COFIX }
-  | "\\Set"     { SET }
-  | "\\Prop"    { PROP }
-  | "\\Type"    { TYPE }
-  | "\\CProp"   { CPROP }
-  | ident       { ID (unquote (L.lexeme lexbuf)) }
-  | conuri      { CONURI
-                   (U.uri_of_string ("cic:" ^ (unquote (L.lexeme lexbuf)))) }
-  | varuri      { VARURI
-                   (U.uri_of_string ("cic:" ^ (unquote (L.lexeme lexbuf)))) }
-  | indtyuri    { INDTYURI
-                   (indtyuri_of_uri ("cic:" ^ (unquote (L.lexeme lexbuf)))) }
-  | indconuri   { INDCONURI
-                   (indconuri_of_uri("cic:" ^ (unquote (L.lexeme lexbuf)))) }
-  | num '.'     {
-                  let lexeme = L.lexeme lexbuf in
-                  RNUM (int_of_string
-                    (String.sub lexeme 0 (String.length lexeme - 1)))
-                }
-  | num         { NUM (int_of_string (L.lexeme lexbuf)) }
-  | '?' num     { let lexeme = L.lexeme lexbuf in
-                   META
-                    (int_of_string
-                     (String.sub lexeme 1 (String.length lexeme - 1))) }
-  | ":>"        { CAST }
-  | ":="        { LETIN }
-  | '?'         { IMPLICIT }
-  | '('         { LPAREN }
-  | ')'         { RPAREN }
-  | "\\["         { LBRACKET }
-  | "\\]"         { RBRACKET }
-  | "\\{"       { LCURLY }
-  | "\\}"       { RCURLY }
-  | ';'         { SEMICOLON }
-  | "\\lambda"  { LAMBDA }
-  | "\\pi"      { PROD }
-  | "\\forall"  { PROD }
-  | "\\eqt"     { EQT }
-  | "\\neqt"    { NEQT }
-  | ':'         { COLON }
-  | '.'         { DOT }
-  | "\\to"      { ARROW }
-  | '_'         { NONE }
-  | dollar      { DOLLAR }
-  | eof         { EOF }
-  (* Arithmetical operators *)
-  | "+."        { RPLUS }
-  | "-."        { RMINUS }
-  | "*."        { RTIMES }
-  | "/."        { RDIV }
-  | '+'         { PLUS }
-  | '-'         { MINUS }
-  | '*'         { TIMES }
-  | '='         { EQ }
-{}