{% comment %}
A choice group's options, drawn by Django's widget: Django's own
multiple_input.html without its wrapper, since choices.html holds the grid.
{% endcomment %}
{% for group, options, index in widget.optgroups %}{% if group %}
<span class="phx-field__group-label">{{ group }}</span>{% endif %}{% for option in options %}
{% include option.template_name with widget=option %}{% endfor %}{% endfor %}