anchor.diff:      PubSubCreate = create_specific_node_stanza(DestinationNodeName),
       Elements = [PubSubCreate | case Config of
                                      [] -> [];
  -                                   _ -> [configure_node_stanza(Config)]
  +                                   _ -> [configure_node_elem(Config)]
                                  end],
       PubSub = pubsub_stanza(Elements, ?NS_PUBSUB),
       iq_with_id(set, IqId, DestinationNodeAddr, User,  [PubSub]).
  
positive.code:          iq_with_id/5,
           iq_set_get_rest/3,
           publish_item/2,
           publish_entry/1,
           pubsub_stanza/2,
           publish_node_with_content_stanza/2,
  
negative.code: -export([
           create_node_stanza/4,
           create_node_stanza/5,
           configure_node_stanza/5,
           create_specific_node_stanza/1,
           create_subscribe_node_stanza/2,
           create_request_allitems_stanza/1,
  