_dd = new DefaultDependencyDescriptor(_md, ModuleRevisionId.newInstance(_organisation, _module, _revision), true, true, true);
_dd = new DefaultDependencyDescriptor(_md, ModuleRevisionId.newInstance(_organisation, _module, _revision), true, false, true);
        public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {            _contextStack.push(qName);            if ("optional".equals(qName)) {                _optional = true;            } else if ("exclusions".equals(qName)) {                if (_dd == null) {                    // stores dd now cause exclusions will override org and module                    _dd = new DefaultDependencyDescriptor(_md, ModuleRevisionId.newInstance(_organisation, _module, _revision), true, true, true);                    _organisation = null;                    _module = null;                    _revision = null;                }            }        }