<packing-list><order>の例
<item id="intro" href="introduction.html">
<item id="c1" href="chapter-1.html">
<item id="c2" href="chapter-2.html">
<item id="toc" href="contents.xml">
<item id="oview" href="architecture.png" mime="img/png">
<p>And so the conclusion is obvious.</p>
<order type="tour" title="Beginners">