tabbycat/venues/templates/select_prepopulated_widget.html
<input list="{{ widget.name }}_list" type="{{ widget.type }}" name="{{ widget.name }}"{% if widget.value != None %} value="{{ widget.value }}"{% endif %} {% for name, value in widget.attrs.items %}{% if value is not False and name != 'data_list' %} {{ name }}{% if value is not True %}="{{ value }}"{% endif %}{% endif %}{% endfor %} />
<datalist id="{{ widget.name }}_list">
{% for option in widget.attrs.data_list %}
<option value="{{ option.0 }}">{{ option.1 }}</option>
{% endfor %}
</datalist>