Some less rash second thoughts:

(1)
---------------------------------------------------------------------------

LAST-PAIR

        The argument is a non-empty list or an improper list.

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It would be nice to have a name for the collection of non-cyclic chains of
pairs.

(2)

All the arguments described as integers in

        http://srfi.schemers.org/srfi-1/mail-archive/msg00025.html

should be described as exact integers.

--
======  John David Stone - Lecturer in Computer Science and Philosophy  =====
==============  Manager of the Mathematics Local-Area Network  ==============
==============  Grinnell College - Grinnell, Iowa 50112 - USA  ==============
==========  xxxxxx@math.grin.edu - http://www.math.grin.edu/~stone/  =========