def send(self, envelope, content):
message = Message(to=JID('%s@%s' % (envelope.room, self.configuration.conference_server)),
typ='groupchat', body=content.raw)
html = simplexml.Node('html', {'xmlns': 'http://jabber.org/protocol/xhtml-im'})
html.addChild(node=simplexml.XML2Node((
"<body xmlns='http://www.w3.org/1999/xhtml'>" +
content.html +
"</body>"
).encode('utf-8')))
message.addChild(node=html)
self.connection.send(message)