span>. The serialized format is as follows:
      </p>
<pre class="programlisting"><span class="identifier">chunk</span>           <span class="special">=</span> <span class="identifier">chunk</span><span class="special">-</span><span class="identifier">size</span> <span class="special">[</span> <span class="identifier">chunk</span><span class="special">-</span><span class="identifier">ext</span> <span class="special">]</span> <span class="identifier">CRLF</span> <span class="identifier">chunk</span><span c