Updating the Title Page Template

<t:titlepage t:element="book" t:wrapper="div"
             class="titlepage">
  <t:titlepage-content t:side="recto">
    <title/>
    <subtitle/>
    <corpauthor/>
    <authorgroup/>
    <author/>
    <othercredit/>
    <releaseinfo/>
    <copyright/>
    <legalnotice/>
    <pubdate/>
    <revision/>
    <revhistory/>
    <abstract/>
    <contractnum/>
    <contractsponsor/>
  </t:titlepage-content>