document, but changing it is not allowed.
</PRE>



<H2><A NAME="SEC2" HREF="license.htm#TOC2">Preamble</A></H2>

<P>
  The licenses for most software are designed to take away your
freedom to share and change it.  By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users.  This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors 