{% if items|length == 1 %}
    <p>Zoom: <a href="{{ items[0][1] }}">{{ items[0][1] }}</a></p>
{% else %}
    <p><strong>Zoom:</strong></p>
    <ul>
        {% for name, url in items -%}
            <li>{{ name }}: <a href="{{ url }}">{{ url }}</a></li>
        {% endfor %}
    </ul>
{% endif %}