Update single.html

Author: staeiou

_layouts/single.html

@@ -34,7 +34,7 @@
           <p class="page__date"><strong><i class="fa fa-fw fa-calendar" aria-hidden="true"></i> {{ site.data.ui-text[site.locale].date_label | default: "Published:" }}</strong> <time datetime="{{ page.modified | date: "%Y-%m-%d" }}">{{ page.modified | date: "%B %d, %Y" }}</time></p>
         {% elsif page.venue and page.date %}
           <p>Published in <i>{{ page.venue }}</i>, {{ page.date | date: "%Y" }} </p>
-        {% elsif page.date %}
+        {% elsif page.date != "nil" %}
           <p class="page__date"><strong><i class="fa fa-fw fa-calendar" aria-hidden="true"></i> {{ site.data.ui-text[site.locale].date_label | default: "Published:" }}</strong> <time datetime="{{ page.date | date_to_xmlschema }}">{{ page.date | date: "%B %d, %Y" }}</time></p>
         {% endif %}