docs/exclude/comment.html

<article id="comment{% unless include.r %}{{ index | prepend: '-' }}{% else %}{{ include.index | prepend: '-' }}{% endunless %}" class="js-comment comment {% if include.name == site.author.name %}admin{% endif %} {% unless include.replying_to == 0 %}child{% endunless %}">
  <div class="comment-avatar">
    {% if include.avatar %}
      <noscript><img src="{{ include.avatar }}" alt=""></noscript>
      <img src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" data-src="{{ include.avatar }}" alt="" class="lazyload blur-up">
    {% elsif include.email %}
      <noscript><img src="https://www.gravatar.com/avatar/{{ include.email }}?d=mm&s=60" alt=""></noscript>
      <img src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" data-srcset="https://www.gravatar.com/avatar/{{ include.email }}?d=mm&s=60 1x, https://www.gravatar.com/avatar/{{ include.email }}?d=mm&s=120 2x" alt="" class="lazyload blur-up">
    {% else %}
      <noscript><img src="/assets/images/avatar-60.png" alt=""></noscript>
      <img src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" data-srcset="https://www.gravatar.com/avatar/{{ include.email }}?d=mm&s=60 1x, /assets/images/avatar-120.png 2x" alt="" class="lazyload blur-up">
    {% endif %}
  </div>
  <h3 class="comment-author-name">
    {% unless include.url == blank %}
      <a rel="external nofollow" href="{{ include.url }}">{{ include.name | strip_html }}</a>
    {% else %}
      {{ include.name | strip_html }}
    {% endunless %}
  </h3>
  <div class="comment-timestamp">
    {% if include.date %}
      {% if include.index %}<a href="#comment{% if r %}{{ index | prepend: '-' }}{% else %}{{ include.index | prepend: '-' }}{% endif %}" title="Permalink to this comment">{% endif %}
      <time datetime="{{ include.date | date_to_xmlschema }}">{{ include.date | date_to_long_string: 'ordinal', 'US' }}</time>
      {% if include.index %}</a>{% endif %}
    {% endif %}
  </div>
  <div class="comment-content">
    {{ include.message | markdownify }}
  </div>
  {% unless include.replying_to != 0 or page.comments_locked == true %}
    <div class="comment-reply">
      <a rel="nofollow" href="#comment-{{ include.index }}" onclick="return addComment.moveForm('comment-{{ include.index }}', '{{ include.index }}', 'respond', '{{ page.slug }}')"><svg class="icon icon--reply" width="16px" height="16px"><use xlink:href="{{ 'icons.svg#icon-reply' | prepend: 'assets/icons/' | relative_url }}"></use></svg> Reply to {{ include.name }}</a>
    </div>
  {% endunless %}
</article>

{% capture i %}{{ include.index }}{% endcapture %}
{% assign replies = site.data.comments[page.slug] | sort | where_exp: 'comment', 'comment[1].replying_to == i' %}
{% for reply in replies %}
  {% assign index       = forloop.index | prepend: '-' | prepend: include.index %}
  {% assign replying_to = reply[1].replying_to | to_integer %}
  {% assign avatar      = reply[1].avatar %}
  {% assign email       = reply[1].email %}
  {% assign name        = reply[1].name %}
  {% assign url         = reply[1].url %}
  {% assign date        = reply[1].date %}
  {% assign message     = reply[1].message %}
  {% include comment.html index=index replying_to=replying_to avatar=avatar email=email name=name url=url date=date message=message %}
{% endfor %}