Escaping jekyll code in jekyll

Sample.md

<li>
  <span>{{ post.date | date_to_string }}</span> &raquo;
    {% if post.external-url %}
      <a href="{{ post.external-url }}">{% if site.titlecase %}{{ post.title | titlecase }}{% else %}{{ post.title }}{% endif %}</a> · <a class="metaperma" href="{{ root_url }}{{ post.url }}">&#8984;</a> <br />
    {% else %} <!-- normal posts -->
      <a href="{{ post.url }}"> {{ post.title }}</a>
      <!-- {{ post.excerpt }} -->
    {% endif %}
</li>