Ken Raeburn  <raeburn@raeburn.org> wrote:
+---------------
| Ray Blaak <blaak@infomatch.com> writes:
| > I am wondering why the effort with mapping #f <--> ()/nil is even necessary
| > at least on the Guile side. Doesn't r4rs permit () to be considered as #f?
| 
| I think r4rs permits it, but Guile doesn't do it, and r5rs (which
| Guile should eventually conform to) doesn't permit it.
+---------------

Also important is that the IEEE Standard for Scheme (IEEE 1178-1990)
explicitly requires all three of #f, (), and nil to be distinct.


-Rob

-----
Rob Warnock, 8L-855		rpw3@sgi.com
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