zulip/templates/confirmation/confirm_preregistrationuser.html

{% extends "zerver/base.html" %}

{% block content %}

{#
This template is referenced by the confirmation code and does not have the
requisite context to make a useful signup form. Therefore, we immediately
post to another view which executes in our code to produce the desired form.
#}

<form id="register" action="/accounts/register/" method="post">
    {{ csrf_input }}
    <input type="hidden" value="{{ key }}" name="key"/>
    <input type="hidden" value="1" name="from_confirmation"/>
    <input type="hidden" value="{% if full_name %}{{ full_name }}{% endif %}" name="full_name"/>
</form>

<script type="text/javascript">
    $(function () {
        $("#register").submit();
    });
</script>
{% endblock %}