<p>Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.</p>
<div class="section level2">
<h2 id="preamble">Preamble<a class="anchor" aria-label="anchor" href="#preamble"></a></h2>
<p>The GNU General Public License is a free, copyleft license for software and other kinds of works.</p>
<p>The licenses for most software and other practical works are designed to take away your freedom to share and change the works. By contrast, the GNU General Pu