F_REPEAT
kp->t_dflg |= F_REPEAT;
t->t_dflg & (F_REPEAT | F_AMPERSAND) || bifunc) {
if (didfds && !(t->t_dflg & F_REPEAT))
if (didfds || (flags & F_REPEAT))
if ((t->t_dflg & F_REPEAT) == 0)