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Doug Currie wrote:

> ... may be an expression, but the question is: what does #
> do when applied to multiple values?  It can discard all of
> them except the first, or it can count them.

If it did this, I believe it would be the only operator to
operate on a whole value list.  (If placed in front of a
value list the other two unary operators, not and -, take as
their operand the first value in the list.)