Allow underscores in identifiers.

[ginac.git] / ginac / parser / parser_compat.cpp

diff --git a/ginac/parser/parser_compat.cpp b/ginac/parser/parser_compat.cpp
index d0723eedb737f518edcd59f54d5a020d7ce93d3b..8bd2181434d8073ebc22921dbb7df893f4c73b64 100644 (file)
--- a/ginac/parser/parser_compat.cpp
+++ b/ginac/parser/parser_compat.cpp
@@ -1,14 +1,35 @@
-/// @file parser_compat.cpp Parser interface compatible with the old
-///       (bison/flex based) parser.
+/** @file parser_compat.cpp
+ *
+ * Parser interface compatible with the old (bison/flex based) parser. */
+
+/*
+ *  GiNaC Copyright (C) 1999-2009 Johannes Gutenberg University Mainz, Germany
+ *
+ *  This program 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.
+ *
+ *  This program 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 this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
 #include "ex.h"
 #include "idx.h"
 #include "lst.h"
-#include "parser.hpp"
-#include <string>
+#include "parser.h"
+
 #include <iostream>
+#include <string>
+
+namespace GiNaC {
 
-namespace GiNaC
-{
 static symtab make_symtab(const ex& l);
 
 ptr<basic> ex::construct_from_string_and_lst(const std::string &s, const ex &l)
@@ -45,5 +66,4 @@ static std::string get_symbol_name(const ex & s)
                throw (std::invalid_argument("get_symbol_name(): unexpected expression type"));
 }
 
-}
-
+} // namespace GiNaC