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*-COPY, COLLECTION-FOLD-(LEFT|RIGHT), and comparison
I believe someone mentioned previously %-COPY, but that isn't found in
draft, and anyways, *-COPY is more general than %-COPY, and I can't at
moment think of why %-COPY would be preferred to *-COPY.
Also, is there any reason why it's COLLECTION-FOLD-(LEFT|RIGHT) instead
%-FOLD-(LEFT|RIGHT) or *-FOLD-(LEFT|RIGHT)?
Comparison isn't mentioned at all in the new draft, or in the old one,
seems rather odd to leave out. I should like to see some sort of
operation -- be it *=?, %=?, %= or *= (the latter two being consistent
SRFIs 1, 13, and 43), or something else entirely -- but at least some