anchor.diff:         children = [publish_item_children(PublishEntry)]
         }.
   
  -publish_node_children([]) ->
  -    publish_item(<<"abc123">>, []);
  -
   publish_node_children(#xmlel{} = ItemBody) ->
       ItemBody;
   
  
positive.code:     ItemTopublish = publish_item(ItemId, PublishEntry),
      PublNode = publish_node_with_content_stanza(NodeName, ItemTopublish),
      pubsub_stanza([PublNode], ?NS_PUBSUB).
  
  retract_from_node_stanza(NodeName, ItemId) ->
      ItemToRetract = #xmlel{name = <<"item">>, attrs=[{<<"id">>, ItemId}], children=[]},
  
negative.code: entry_body_sample1() ->
      [
       #xmlel{name = <<"title">>, children  = [ #xmlcdata{content=[<<"The title of content.">>]}]},
       #xmlel{name = <<"summary">>, children = [ #xmlcdata{content=[<<"To be or not to be...">>]}]}
      ].
  
  entry_body_with_timestamp() ->
  