   <dl>
                <dt>All Superinterfaces:</dt>
                <dd>${interfaces.collect{ linkable(it) }.join(', ')}</dd>
            </dl><%
    }
} else {
    // TODO follow up the tree collecting interfaces seen?
    def interfaces = classDoc.interfaces()
    if (interfaces) {
        %>
            <dl>
                <dt>All Implemented Interfaces and Traits:</dt>
                <dd>${interfaces.collect{ linkable(it) }.join(', ')}</dd>
            </dl>
    <% } %>
<% } %>
            <!-- todo