RE: [External] : Re: Hash consing (was: Re: sqlite3)

[Tomas Hlavaty]

On Sat 18 Dec 2021 at 16:15, Drew Adams <drew.adams@oracle.com> wrote:
> Sorry, but I don't understand what you're saying.
> What's immutable about it?  What's undefined
> about using `setcar' or `rplaca' on it?
>  (setq x '(1 . 2))
>  (setcar x 3)

In general, don't do that.

In Common Lisp, the consequences are undefined.

In Emacs Lisp, it does not seem to be put that way, see
(describe-function 'quote)