diff --git a/src/textfile_type.h b/src/textfile_type.h
new file mode 100644
--- /dev/null
+++ b/src/textfile_type.h
@@ -0,0 +1,27 @@
+/* $Id$ */
+
+/*
+ * This file is part of OpenTTD.
+ * OpenTTD 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, version 2.
+ * OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** @file textfile_type.h Types related to textfiles. */
+
+#ifndef TEXTFILE_TYPE_H
+#define TEXTFILE_TYPE_H
+
+/** Additional text files accompanying Tar archives */
+enum TextfileType {
+	TFT_BEGIN,
+
+	TFT_README = TFT_BEGIN, ///< NewGRF readme
+	TFT_CHANGELOG,          ///< NewGRF changelog
+	TFT_LICENSE,            ///< NewGRF license
+
+	TFT_END,
+};
+DECLARE_POSTFIX_INCREMENT(TextfileType)
+
+#endif /* TEXTFILE_TYPE_H */