def visit(spht, node):
        """Append opening tags to document body list."""
        html_attrs = {
            'ids': ['disqus_thread'],
            'data-disqus-shortname': node.disqus_shortname,
            'data-disqus-identifier': node.disqus_identifier,
        }
        spht.body.append(spht.starttag(node, 'div', '', **html_attrs))
Append opening tags to document body list.