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Re: Argument Lists

	Date: Sat, 21 Jun 86 22:54 EDT
	From: "Scott E. Fahlman" <Fahlman@C.CS.CMU.EDU>
	Every implementation has some way of determining at runtime the minimum
	and maximum argument counts for a function, so functions to report
	could be added at very little cost.

Where in CLtL does it say this?  It is not required that an
implementation signal an error when there are either too many or too few
arguments, so I can't see why this information must be available in
every implementation.  I don't disagree with the position that it would
be very useful, but it isn't (yet) required.