F_DAYOFWEEK
di->flags |= (F_DAYOFWEEK | F_VARIABLE);
di->flags |= (F_MONTH | F_DAYOFWEEK | F_VARIABLE);
di->flags |= (F_DAYOFWEEK | F_VARIABLE);
if ((di->flags & F_DAYOFWEEK) != 0)
if ((di.flags & ~F_INDEX) == (F_MONTH | F_DAYOFWEEK | F_VARIABLE) &&
if ((di.flags & ~F_INDEX) == (F_DAYOFWEEK | F_VARIABLE) &&