code: def visit(spht, node):
          
          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))
docs: Append opening tags to document body list.