palette/views/jst/discussions/reply_form.mustache

<form method="post" action="{{action}}"  class="discussion-reply-form">
  <div class="discussion-top-right-header pull-right">
    <div class="toggle-wrapper pull-right">
    </div>
  </div>
  <div class="clearfix" aria-hidden="true">&nbsp;</div>
  <textarea class="reply-textarea" name="args"></textarea>

  <input type="hidden" name="id" value="{{id}}"/>
  <input type="hidden" name="reply" value="{{reply}}"/>
  <input type="hidden" name="active" value="{{active}}"/>
  <input type="hidden" name="data" value="{{data}}"/>
  <input type="hidden" name="do" value="reply"/>
  <input type="hidden" name="full" value="true"/>

  <div class="clearfix">
    <div class="discussion-reply-attachments-container">
      <ul class="discussion-reply-attachments"></ul>
    </div>

    <div class="discussion-reply-buttons">
      <button class="btn btn-primary btn-small" type="submit">{{#t}}Post Reply{{/t}}</button>
    </div>
  </div>
</form>