{% if include.previous_article_name %} {% if include.previous_article_url %} {% assign previous_article_url = include.previous_article_url %} {% else %} {% capture previous_article_url %}{{ include.previous_article_name | downcase }}{% endcapture %} {% endif %} {% endif %}

{% if include.next_article_name %} {% if include.next_article_url %} {% assign next_article_url = include.next_article_url %} {% else %} {% capture next_article_url %}{{ include.next_article_name | downcase }}{% endcapture %} {% endif %} {% endif %}

{% if previous_article_url %} {{ include.previous_article_name }} {% endif %}

{% if next_article_url %} {{ include.next_article_name }} {% endif %}