11 local xmlns_pubsub = "http://jabber.org/protocol/pubsub";

    11 local xmlns_pubsub = "http://jabber.org/protocol/pubsub";

    12 local xmlns_pubsub_event = "http://jabber.org/protocol/pubsub#event";

    12 local xmlns_pubsub_event = "http://jabber.org/protocol/pubsub#event";

    13 local xmlns_pubsub_owner = "http://jabber.org/protocol/pubsub#owner";

    13 local xmlns_pubsub_owner = "http://jabber.org/protocol/pubsub#owner";

    14 

    14 

    15 local lib_pubsub = module:require "pubsub";

    15 local lib_pubsub = module:require "pubsub";

    17 

    16 

    18 local empty_set = set_new();

    17 local empty_set = set_new();

    19 

    18 

    20 local services = {};

    19 local services = {};

    21 local recipients = {};

    20 local recipients = {};