OPLUS_
case OPLUS_: /* forward, this is just an empty */
case OPLUS_:
case OPLUS_:
case OPLUS_:
INSERT(OPLUS_, pos);
INSERT(OPLUS_, pos);
INSERT(OPLUS_, start);
case OPLUS_: /* things that don't break one */
case OPLUS_:
INSERT(OPLUS_, pos);
INSERT(OPLUS_, pos);
case OPLUS_:
if (OP(*(s-opnd)) != OPLUS_)