<?xml version="1.0"?>
<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
<article xmlns="http://docbook.org/ns/docbook">
  <para>
    <emphasis Role="strong">Hello</emphasis>
  </para>
</article>