'Tells the converter to only output the parts inside the <body>'

def set_embedable(self):

    self.elements[(OFFICENS, u'text')] = (None, None)
    self.elements[(OFFICENS, u'spreadsheet')] = (None, None)
    self.elements[(OFFICENS, u'presentation')] = (None, None)
    self.elements[(OFFICENS, u'document-content')] = (None, None)
