20 nov. 2021 kl. 18.22 skrev Paul Pogonyshev <pogonyshev@gmail.com>:

> > you cannot count on an eventual fix to be back-ported to Emacs 28
>
> Uh, it's not even released yet. Are the stabilization rules so strict that even a *fix* cannot go in? Unless it is going to be a rewrite of half the file...

Sorry, I'd love to have it in 28 but I don't make the rules.

Meanwhile, here's a lightly tested attempt at a fix. I'm not very satisfied by it because it forces an up-front access of a captured variable; I'd rather sink it to each application of the λ-lifted function.