Allow underscores in identifiers.

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

diff --git a/ginac/parser/parse_context.cpp b/ginac/parser/parse_context.cpp
index 1dd767778f9581cea6ad0b6e8790d400b38733c8..5c442023afa0bbaa3f59edcd456f0a9075cb0950 100644 (file)
--- a/ginac/parser/parse_context.cpp
+++ b/ginac/parser/parse_context.cpp
@@ -1,8 +1,31 @@
-#include "parse_context.hpp"
+/** @file parse_context.cpp
+ *
+ *  Implementation of the parser context. */
+
+/*
+ *  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 "parse_context.h"
+
 #include <sstream>
 #include <stdexcept>
-namespace GiNaC
-{
+
+namespace GiNaC {
 
 symbol
 find_or_insert_symbol(const std::string& name, symtab& syms, const bool strict)
@@ -28,5 +51,4 @@ find_or_insert_symbol(const std::string& name, symtab& syms, const bool strict)
        return sy;
 }
 
-}
-
+} // namespace GiNaC