wallabag/src/Wallabag/CoreBundle/Resources/views/themes/material/Tag/new_form.html.twig

<form name="tag" method="post" action="{{ path('new_tag', { 'entry': entry.id })}}">
    {% if form_errors(form) %}
        <span class="black-text">{{ form_errors(form) }}</span>
    {% endif %}

    {% if form_errors(form.label) %}
        <span class="black-text">{{ form_errors(form.label) }}</span>
    {% endif %}

    {{ form_widget(form.label, { 'attr': {'autocomplete': 'off'} }) }}

    {{ form_widget(form.add, {'attr': {'class': 'btn waves-effect waves-light hide-on-large-only'}}) }}
    {{ form_widget(form._token) }}
</form>