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+(* Copyright (C) 2005, 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 Parse_error of Token.flocation * string
+
+(** {2 Parsing functions} *)
+
+val parse_level1_pattern: char Stream.t -> unit
+(*val parse_level2_pattern: char Stream.t -> unit*)
+
+(** {2 Grammar extensions} *)
+
+(*val term: CicAst.term Grammar.Entry.e |+* recursive rule +|*)
+(*val term0: CicAst.term Grammar.Entry.e |+* top level rule +|*)
+
+(*val return_term: CicAst.location -> CicAst.term -> CicAst.term*)
+
+ (** raise a parse error *)
+(*val fail: CicAst.location -> string -> 'a*)
+