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6.8
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## License

Racket software and documentation is distributed under the GNU Lesser General Public License (LGPL). This means

- You can link Racket software into proprietary applications, provided you follow the specific rules stated in the LGPL.

- You can modify Racket software. 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" in your Racket installation’s "lib" directory for more information.

Racket
Copyright (c) 2010-2017 PLT Design Inc.

Racket software includes or extends the following copyrighted material:

libscheme
Copyright (c) 1994 Brent Benson
All rights reserved.

Conservative garbage collector
Copyright (c) 1988, 1989 Hans-J. Boehm, Alan J. Demers
Copyright (c) 1991-1996 Xerox Corporation
Copyright (c) 1996-1999 Silicon Graphics
Copyright (c) 1999-2005 Hewlett-Packard Development Company, L.P.
All rights reserved.

Collector C++ extension by Jesse Hull and John Ellis
Copyright (c) 1994 Xerox Corporation
All rights reserved.

GNU MP Library
Copyright (c) 1991, 1992, 1993, 1994, 1996, 1999, 2000, 2007
Free Software Foundation, Inc.

GNU lightning
Copyright (c) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2011
Free Software Foundation, Inc.

libunwind
Copyright (c) 2003-2005 Hewlett-Packard Development Company, L.P.

See also other "LICENSE.txt" files in your distribution or packages.

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