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So that hopefully I understand it faster next time. Also got rid of the confusing `orig_expr`, which makes the call site in `etaExpand` look out of sync with the passed `n` (which is not the original `n`).
c5977d4d
So that hopefully I understand it faster next time. Also got rid of the confusing `orig_expr`, which makes the call site in `etaExpand` look out of sync with the passed `n` (which is not the original `n`).