{% set x = c.ctx %}
<p class="hint">Your box syncs with the dens of the packs you joined — only while you are in one.
  With no pack it makes no calls.</p>
{% if hosted %}
<p class="hint">Packs are not available on a hosted instance.</p>
{% else %}
{% if x.kind in ('handler', 'ai') %}
<h3 id="pack-den">This den's public address</h3>
<p class="hint">Where your members' boxes post — it goes into every collar tag. It must end in
  <code>/den/v1</code>, and it may not be the name you open this box on: that name would then answer
  only the den (see the guide on running the den on its own listener).</p>
<form method="post" action="/pack/den-address" class="row">
  <input type="hidden" name="_t" value="{{ form_token('pack.den_address') }}">
  <label>address <input name="url" maxlength="300" value="{{ x.public_url }}" placeholder="…/den/v1"></label>
  <button>Save</button>
</form>
{% endif %}
{% endif %}