that do, we wish to
    avoid the special danger that patents applied to a free program could
    make it effectively proprietary.  To prevent this, the GPL assures that
    patents cannot be used to render the program non-free.</p>

<p>The precise terms and conditions for copying, distribution and
    modification follow.</p>

<h3>TERMS AND CONDITIONS</h3>

<h4>0. Definitions.</h4>

<p>&ldquo;This License&rdquo; refers to version 3 of the GNU General Public License.</p>

<p>&ldquo;Copyright&rdquo; also mea