/* handle publish list changes */
          switch (item->subscription)
            {
            case GABBLE_ROSTER_SUBSCRIPTION_FROM:
            case GABBLE_ROSTER_SUBSCRIPTION_BOTH:
              g_intset_add (pub_add, handle);
              break;
            case GABBLE_ROSTER_SUBSCRIPTION_NONE:
            case GABBLE_ROSTER_SUBSCRIPTION_TO:
            case GABBLE_ROSTER_SUBSCRIPTION_REMOVE:
              /* publish channel is a bit odd, the roster item doesn't tell us
               * if someone is awaiting our approval - we get this via presence
               * type=subscribe, so we have to not remove them if they're
               * already local_pending in our publish channel */
              if (!handle_set_is_member (chan.group->local_pending, handle))
                {
                  g_intset_add (pub_rem, handle);
                }
              break;
            default:
              g_assert_not_reached ();
            }