To: <tal:x replace="options/mto"/>
From: <tal:x replace="options/mfrom"/>
Subject: <tal:x replace="options/msubject"/>

<tal:x define="obj nocall:options/obj">
There has been a comment on  "<tal:x replace="obj/Title"/>" at:
<tal:x replace="obj/absolute_url"/>
</tal:x>

--
<tal:x replace="options/mbsign"/>