symposion_app/symposion/templates/emails/proposal_new_message/message.html

{% load account_tags %}
<p>
    <b>{% user_display message.user %}</b> has added a message on <b>{{ proposal.title }}</b>.
</p>
<blockquote>
    {{ message.message|safe }}
</blockquote>
<p>
    {% if reviewer %}{% url "review_detail" proposal.pk as detail_url %}{% else %}{% url "proposal_detail" proposal.pk as detail_url %}{% endif %}
    Respond online at <a href="http://{{ current_site }}{{ detail_url }}#proposal-feedback">http://{{ current_site }}{{ detail_url }}#proposal-feedback</a>
</p>