blog/_includes/comments.html

<div>
    {% capture mail %}{{ site.author.email }}{% endcapture %}
    {% if page.is_post %}
        {% capture mailto_subject %}{{ page.path | remove: ".md" | remove: "_posts/" | urlencode }}{% endcapture %}
    {% else %}
        {% capture mailto_subject %}{{ page.path | remove: ".html" | remove: ".md" | remove: "_pages/" | urlencode }}{% endcapture %}
    {% endif %}
    <div>
        <h3>
            <a href="mailto:{{ mail }}?subject={{ mailto_subject }}">
                Post a new comment</a>
        </h3>
    </div>

  <div>
  {% assign comment_counter = 0 %}
  {% assign comments = site.comments | sort | reverse %}
  {% for comment in comments %}
    {% assign page_path = page.path | replace: "_posts/", "" | remove: ".md" %}
    {% assign comment_fullpath = comment.path | replace: "_comments/", "" | split: "/" %}
    {% assign comment_path = comment_fullpath[0] %}
    {% assign comment_id = comment_fullpath[1] | remove: ".md" %}
    {% if comment_path == page_path %}
        {% assign parity_check = comment_counter | modulo: 2 %}
        {% if parity_check == 0 %}
            {% assign parity = "even" %}
        {% else %}
            {% assign parity = "odd" %}
        {% endif %}
    <a href="#comment-{{ comment_id }}" id="comment-{{ comment_id }}" class="{{ parity }}">
        <div>
             <div>Subject: {{ comment.subject }}</div>
             <div>From: {{ comment.from }}</div>
             <div>Arrived on: {{ comment.date | date: "%b %e %Y, %R %Z" }}</div>
        {{ comment.content | markdownify }}
        </div>
    </a>
    {% assign comment_counter = comment_counter | plus: 1 %}
  {% endif %}
{% endfor %}
</div>
</div>