{% if subpage %}
    <li><a href="{% url 'proofing_list' %}">Articles in Proofing</a></li>
     {% if article %}<li><a href="{% url 'proofing_article' article.pk %}"> {{ article.safe_title }}</a></li>{% endif %}
{% elif article %}
    <li><a href="{% url 'proofing_list' %}">Articles in Proofing</a></li>
    {% if article %}<li> {{ article.safe_title }}</li>{% endif %}
{% else %}
    <li>Articles in Proofing</li>
{% endif %}