s for the transformation run.
        </p>
<a name="N1007A"></a><a name="cfg"></a>
<h3 class="underlined_5">Custom configuration</h3>
<p>
          You can easily set up your own FOUserAgent as demonstrated on the <a href="embedding.html">Embedding page</a>.
        </p>
<a name="N10088"></a><a name="performance"></a>
<h3 class="underlined_5">Improving performance</h3>
<p>
          There are several options to consider:
        </p>
<ul>
          
<li>
            Instead of java.io.ByteArrayOutputStream 