{% capture path %}{{ site.baseurl}}/docs/{{ page.version }}/{% if include.path %}{{ include.path }}{% else %}{{ include.label | slugify }}/{% endif %}{% endcapture %}

{% if link.section %}
  {% unless forloop.first %}
    </optgroup>
  {% endunless %}
  <optgroup label='{{link.section}}'>
{% endif %}

{% if link.label %}
  <option value="{{path}}">{{link.label}}</option>
{% endif %}

{% if forloop.last %}
  </optgroup>
{% endif %}