Taylor Campbell <xxxxxx@mumble.net> writes:

> If Aubrey Jaffer's suggestion of NaNs encapsulating information about
> their origin be adopted, I think it would make sense to extend the NAN
> procedure to accept more arguments, of any nature, to specify any
> information whatsoever about the condition, like T's UNDEFINED-VALUE
> mechanism.  Of course, one possible value would be (LAMBDA ARGS (/ 0.0
> 0.0)).

Didn't I already suggest this too? :)