y="*$.isprimary"&gt;
  <li>{\{ $.pi | format("%.2f") }\}
</ul>

<h6 class="title is-6">Functions</h6>
<p>
  For convenience, Hibiki HTML provides a set of functions to help manipulate data
  in expressions.  The complete list is listed in the
  <a target="_blank" href="https://tests.hibikihtml.com/test-basic.html">Basic Test Page</a> and in the
  <a target="_blank" href="https://docs.hibikihtml.com/reference/expressions/#functions">Function Reference</a>.
</p>
<p>
  Functions all start with "fn:" and are no