angular-cn/aio/transforms/templates/includes/_how-to-use.html

{%- if doc.howToUse %}
  <!-- QUICK REFERENCE CODE EXAMPLE -->
  <section class="how-to-use">
    <h2>How To Use</h2>
    <div class="description">
      {$ doc.howToUse | marked $}
    </div>
  </section>
{% endif %}