<form hx-target="this" hx-swap="outerHTML" hx-post="{% url 'usethesource:add_comment' slug=candidate.slug %}">
  {% csrf_token %}
  <div>{{ form.time }}</div>
  <div class="mt2">{{ form.message }}</div>
  <div class="mt2"><label>{{ form.post_to_list }} Post to the mailing list</div>
  <div class="mt2">
    <button type="submit" hx-get="{% url 'usethesource:add_button' slug=candidate.slug %}" class="b pointer white bg-light-silver pv2 ph3" style="border: none">Cancel</button>
    <button type="submit" class="b white bg-green pv2 ph3" style="border: none">Save</button>
  </div>
</form>