friendica/view/diaspora_comment.tpl

<XML>
  <post>
    <comment>
      <guid>$guid</guid>
      <parent_guid>$parent_guid</parent_guid>
      <author_signature>$authorsig</author_signature>
      <text>$body</text>
      <diaspora_handle>$handle</diaspora_handle>
    </comment>
  </post>
</XML>