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Arrays with zero dimensions.

    Date: Thu, 06 Jun 85 15:30:40 EDT
    From: greek@DEC-HUDSON@think

    Is it really of cosmic importance that we allow dimensions of zero?
    We sure could invent a lot of baggage to handle it correctly, but...

    - Paul

Well, empty strings have their uses.  And in image processing I can
easily imagine wanting to extract a sub-rectangle of a rectangular
pixel array; in certain boundary cases one dimensions might be zero.