parser-tools-lib Copyright (c) 2010-2013 PLT Design Inc. This package is distributed under the GNU Lesser General Public License (LGPL). This means that you can link Racket into proprietary applications, provided you follow the rules stated in the LGPL. You can also modify this package; if you distribute a modified version, you must distribute it under the terms of the LGPL, which in particular means that you must release the source code for the modified software. See COPYING_LESSER.txt for more information.