On 5/11/20 2:29 AM, Mattias Engdegård wrote:
> As an experiment, I added an immutable cons type some time ago and found these and more. The attachment contains some of the adjustments made at the time. This isn't complete; I never got to a full bootstrap, for unrelated reasons.

Thanks for sending that patch. Even if incomplete, it's better to not try to
modify constants so I installed the attached into master; it's derived from your
patch and supersedes my earlier (typo-containing) patch about nconc.

> By the way: Is there any reason you prefer `(a b c ,@tail) to (append '(a b c) tail)?

No, I just wasn't thinking. The attached patch uses 'append'.