On 08.10.2017 21:40, Drew Adams wrote:
>>>>> why is it a problem to document this?
>>>> <Shrug> Because we don't want to guarantee the return
>>>> value won't change in the future?
>>> Are you sure?
>> No.
>>
>>> When was that decided?
>> I don't know if it was decided and when, I was just wondering
>> whether the lack of documentation is deliberate or an omission.
> Good.  Neither do I know that we don't want to guarantee
> that the return value won't change.  Nor do I know whether
> the lack of documentation was deliberate or not.  Nor do I
> know a reason why we wouldn't want to document the behavior,
> guarantee or no guarantee.
>
> Not having any reason to think there was a deliberate
> decision not to document this, and not knowing any good
> reason why it should not be documented, whether it was
> deliberate or (a priori more likely) an oversight, and
> knowing good reasons why it _should_ be documented (it
> is useful, and documenting that use is the practice in
> Lisp in general, and it fits what we do for things like
> `setq'), this should be a no-brainer, IMO.
>
> But if there is a good reason why it should not be
> documented, let's hear it, please.
>
>
>

+1