List serializer no explicitly renders as 'not supported for HTML input'

rest_framework/templates/rest_framework/horizontal/list_fieldset.html

@@ -5,9 +5,12 @@
             <legend class="control-label col-sm-2 {% if style.hide_label %}sr-only{% endif %}" style="border-bottom: 0">{{ field.label }}</legend>
         </div>
     {% endif %}
+    <!--
     <ul>
     {% for child in field.value %}
         <li>TODO</li>
     {% endfor %}
     </ul>
+    -->
+    <p>Lists are not currently supported in HTML input.</p>
 </fieldset>

rest_framework/templates/rest_framework/inline/list_fieldset.html

+<span>Lists are not currently supported in HTML input.</span>

rest_framework/templates/rest_framework/vertical/list_fieldset.html

@@ -4,4 +4,5 @@
     {% for field_item in field.value.field_items.values() %}
         {{ renderer.render_field(field_item, layout=layout) }}
     {% endfor %} -->
+    <p>Lists are not currently supported in HTML input.</p>
 </fieldset>