_table.twig

<table id="table_with_attributes" class="attributes pure-table pure-table-striped pure-table-attributes" summary="attribute overview">

{% for name, values in items %}
    <tr class="{{ cycle(['odd', 'even'], loop.index0) }}">
        {% block namecol -%}
            <td class="attrname">{{ name }}</td>
        {%- endblock %}

        <td class="attrvalue">{% apply spaceless %}
                {% for value in values %}
                    {% if loop.length>1 and loop.first %}<ul>{% endif %}
                    {% if loop.length>1 %}<li>{% endif -%}

                    {% block value %}{% endblock %}

                    {% if loop.length>1 %}</li>{% endif %}
                    {% if loop.length>1 and loop.last %}</ul>{% endif %}
                {% endfor %}
            {% endapply -%}
        </td>
    </tr>
{% endfor %}
</table><br>