it the given output stream. 

</p>
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<td><p><span class="term">Parameters:</span></p></td>
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<td><p><span class="term"><code class="computeroutput">pt</code></span></p></td>
<td><p>The property tree to tranlsate to XML and output. </p></td>
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<td><p><span class="term"><code class="computeroutput">settings</code></span></p