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<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
                      "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">

<section><title>Writing Mathematics</title>
<xi:include href="alttex.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
<xi:include href="mathml.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
</section>
