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: create_specific_node_stanza(NodeName) ->
      #xmlel{name = <<"create">>, attrs = [{<<"node">>, NodeName}] }.
  
  configure_node_stanza(Config) ->
      #xmlel{name = <<"configure">>,
             children = [#xmlel{name = <<"x">>,
                                attrs = [{<<"xmlns">>, <<"jabber:x:data">>},
  
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,
  