<?xml version="1.0"?> <!DOCTYPE para PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN" "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd"> <para> The <emphasis>most</emphasis> important example of this phenomenon occurs in A. Nonymous's book <citetitle>Power Snacking</citetitle>. </para>