still a working copy, now towards a cleaner implementation ...

[helm.git] / helm / ocaml / cic_disambiguation / lexer.ml

diff --git a/helm/ocaml/cic_disambiguation/lexer.ml b/helm/ocaml/cic_disambiguation/lexer.ml
index 79003792bdb473304e5dd8536583047029475971..10f0667f37391f5fca5aed97dd93339ff0fc591b 100644 (file)
--- a/helm/ocaml/cic_disambiguation/lexer.ml
+++ b/helm/ocaml/cic_disambiguation/lexer.ml
@@ -1,3 +1,27 @@
+(* Copyright (C) 2004, 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://helm.cs.unibo.it/
+ *)
 
 exception Error of int * int * string
 
@@ -12,7 +36,7 @@ let regexp symbol = [^ 'a' - 'z' 'A' - 'Z' '0' - '9' ' ' '\t' '\n' ]
 let regexp tex_token = '\\' alpha+
 let regexp lparen = [ '(' '[' '{' ]
 let regexp rparen = [ ')' ']' '}' ]
-let regexp meta = '?' (alpha | num)+
+let regexp meta = '?' num
 
 let keywords = Hashtbl.create 17
 let _ =