CBB_INSERTING
} else if (sc->sc_flags & CBB_INSERTING) {
sc->sc_flags &= ~CBB_INSERTING;
if (sc->sc_flags & CBB_INSERTING) {
sc->sc_flags |= CBB_INSERTING;
if (!(sc->sc_flags & CBB_INSERTING)) {
sc->sc_flags &= ~CBB_INSERTING;