bug#55395: What does (1 2 3 . #2) mean?

[Stefan Monnier]

>  [(1 2 3 . #0)]
>
> could mean either
>
>  [#1=(1 2 3 . #1#)]
>
> or
>
>  #1=[(1 2 3 . #1#)]

AFAIK it *should* mean the latter (#0 is the root of the overall
printed object, not just the list).

Mattias Engdegård [2022-05-18 16:29:51] wrote:

> Perhaps these attempts to generate a meaningful circularity reference is
> a fool's errand and we should just go with #!circle! or something similar.

Yup.  But we don't shy away from playing the fools.


        Stefan