> cannot currently be transformed properly for rules given the info
> available in the existing structures. This is true because there is no
> equivalent query which allows you to specify anything like t1, ta, t2,
> or tb in the target list, and there is no way currently to carry along
> the "tj (n, m)" info.
>
> Comments on any or all?
It makes my head hurt. Is that a comment?
--
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