Hi Victor,
> If it's not too much trouble perhaps you could write a few more test so
> we would have 100% test coverage for rbtree, could modify it safely and
> be sure that it actually works when someone will need the rest of its
> functionality?
Also I would recommend to add your patch to the nearest commitfest [1].
Otherwise there is a good chance that everyone will forget about it
quite soon.
[1]: https://commitfest.postgresql.org/14/
--
Best regards,
Aleksander Alekseev