TSRESTORE
if (!(tspp->ts_flags & TSRESTORE)) {
tspp->ts_flags |= TSRESTORE;
if (tspp->ts_flags & TSRESTORE) {
tspp->ts_flags &= ~TSRESTORE;
tspp->ts_flags &= ~TSRESTORE;
if (tspp->ts_flags & TSRESTORE) {
tspp->ts_flags &= ~TSRESTORE;
tspp->ts_flags &= ~TSRESTORE;
ctspp->ts_flags = ptspp->ts_flags & ~(TSBACKQ | TSRESTORE);