+Copyright (c) 2010-2012 Perttu Ahola <celeron55@gmail.com>
+and ther contributors (see source file comments and the version control log)
+
+In case you downloaded the source code:
+---------------------------------------
+If you downloaded the Minetest Engine source code in which this file is
+contained, you probably want to download the minetest_game project too:
+ https://github.com/celeron55/minetest_game/
+See the README.txt in it.
+
+Further documentation