--- /dev/null
+(* 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/
+ *)
+
+open CicTextualParser2
+
+EXTEND
+ term: LEVEL "simple"
+ [
+ (* for tex parsing *)
+ [ PAREN "{"; t = term; PAREN "}" -> return_term loc t
+ | SYMBOL "\\"; PAREN "{"; t = term; SYMBOL "\\"; PAREN "}" ->
+ return_term loc t
+ ]
+ ];
+ term0:
+ [
+ [ SYMBOL "$"; PAREN "{"; t = term; PAREN "}"; SYMBOL "$" ->
+ return_term loc t
+ | SYMBOL "$"; t = term; SYMBOL "$" ->
+ return_term loc t
+ ]
+ ];
+END
+