anchor.diff:  privacy_activate(#client{jid=Jid}, ListName) ->
       exmpp_stanza:set_sender(
           exmpp_iq:set(?NS_JABBER_CLIENT,
  -            exmpp_xml:append_child(                                                                                      
  +            exmpp_xml:append_child(
                   exmpp_xml:element(?NS_PRIVACY, 'query'),
  -                exmpp_xml:set_attribute(
  -                    exmpp_xml:remove_attribute(
  -                        exmpp_xml:element('active'),
  -                        <<"xmlns">>),
  -                    {<<"name">>, ListName}))),
  +                case ListName of
  +                    'deactivate-should-not-happen-by-accident' ->
  +                        exmpp_xml:remove_attribute(
  +                            exmpp_xml:element('active'),
  +                            <<"xmlns">>);
  +                    _ ->
  +                        exmpp_xml:set_attribute(
  +                            exmpp_xml:remove_attribute(
  +                                exmpp_xml:element('active'),
  +                                <<"xmlns">>),
  +                            {<<"name">>, ListName})
  +                end )),
           Jid).
  +
  +privacy_deactivate(Client) ->
  +    privacy_activate(Client,
  +        'deactivate-should-not-happen-by-accident').
  
positive.code:     Iq = exmpp_iq:get(?NS_JABBER_CLIENT, Query),
      exmpp_stanza:set_sender(Iq, Jid).
  
  privacy_get_one(Client = #client{jid=Jid}, ListName) ->
      privacy_get_many(Client, [ListName]).
  
  privacy_get_many(#client{jid=Jid}, ListNames) ->
  
negative.code:          privacy_get_one/2,
           privacy_get_many/2,
           privacy_set_one/2,
           privacy_activate/2,
           privacy_deactivate/1]).
  
  -include("include/escalus.hrl").
  -include_lib("exmpp/include/exmpp.hrl").
  