if (current != null) current.detach();
    public void handleEvent(Event e)    {      MutationEvent	mutation = (MutationEvent) e;      Node		related = mutation.getRelatedNode();            // XXX if it's got children ... check all kids too, they      // will invalidate our saved index            if (related.getNodeType() != Node.ELEMENT_NODE ||          related.getNodeName() != elementName ||          related.getNamespaceURI() != elementURI)        {          return;        }            current = null;    }