Appendix A. The GNU General Public License

This is a copy of the GNU General Public License. If you wish to see the original, visit the Free Software Foundation web site. The direct link to the license is www.gnu.org/copyleft/gpl.htm.

On that web site, you may also want to check out the comparative list of license types (both commercial and noncommercial) and how they compare to the GNU GPL. Most interesting here is the definition of whether a license qualifies as free and whether it is compatible with the GPL. To compare, go straight to www.gnu.org/philosophy/license-list.html.

Now, without further adieu, here is the GNU GPL.

GNU GENERAL PUBLIC LICENSE

Version 2, June 1991

Copyright (C) 1989, 1991 Free Software Foundation, Inc.

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