Re: [Kawa-commonlisp-dev] 'NIL != '()

[Charles Turner]

Just remembered we had this conversation ages ago:

Me>> I also noticed a weird bit of behaviour (noticed whilst puzzling over
>> why my PUSH wasn't working):
>>
>> #|kawa:4|# '(1 . ())
>> (1)
>> #|kawa:5|# '(1 . nil)
>> (1 . nil)
>> #|kawa:6|# (eq '() nil)
>> t
>
Jamison> I think that one is because (quote nil) is not currently evaluating to
> nil, as it should:

Helmut> I think this is a reader issue: (eq 'nil '()) => #f

Which is what I've just repeated... So do you think the solution is to
special case a symbol called NIL in the reader? That seems to make
redundant the symbol binding in EmptyNamespace (or CL package) to
CommonLisp.FALSE, which concerns me.