form_actions block on delete confirmation template

gas/templates/gas/delete_confirmation.html

@@ -19,7 +19,9 @@
     {% endif %}
 
     <form method="post" action=".">{% csrf_token %}
-        <button  type="submit">{% trans 'Delete' %}</button>
-        <a href="{{ cancel_url }}">{% trans 'Cancel' %}</a>
+        {% block form_actions %}
+            <button  type="submit">{% trans 'Delete' %}</button>
+            <a href="{{ cancel_url }}">{% trans 'Cancel' %}</a>
+        {% endblock %}
     </form>
 {% endblock %}