- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-/* As a special exception, when this file is copied by Bison into a
- Bison output file, you may use that output file without restriction.
- This special exception was added by the Free Software Foundation
- in version 1.24 of Bison. */
-
-#ifndef BISON_PARSE_GRAM_H
-# define BISON_PARSE_GRAM_H
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* As a special exception, you may create a larger work that contains
+ part or all of the Bison parser skeleton and distribute that work
+ under terms of your choice, so long as that work isn't itself a
+ parser generator using the skeleton or a modified version thereof
+ as a parser skeleton. Alternatively, if you modify or redistribute
+ the parser skeleton itself, you may (at your option) remove this
+ special exception, which will cause the skeleton and the resulting
+ Bison output files to be licensed under the GNU General Public
+ License without this special exception.
+
+ This special exception was added by the Free Software Foundation in
+ version 2.2 of Bison. */
+
+#ifndef YY_GRAM__________SRC_PARSE_GRAM_H_INCLUDED
+# define YY_GRAM__________SRC_PARSE_GRAM_H_INCLUDED
+/* Enabling traces. */
+#ifndef GRAM_DEBUG
+# if defined YYDEBUG
+# if YYDEBUG
+# define GRAM_DEBUG 1
+# else
+# define GRAM_DEBUG 0
+# endif
+# else /* ! defined YYDEBUG */
+# define GRAM_DEBUG 1
+# endif /* ! defined YYDEBUG */
+#endif /* ! defined GRAM_DEBUG */
+#if GRAM_DEBUG
+extern int gram_debug;
+#endif