I've just published draft #2 of SRFI 226 <https://srfi.schemers.org/srfi-226/>. It was submitted by Marc Nieper-Wißkirchen, author of the SRFI.
Here are Marc's comments on the draft: This draft contains all the changes that happened in my private repository since Aug 15, 2021. Please see the individual commit messages below. Here is the commit summary: - Rename SRFI. - Fix broken links. - Fix preview link. - Fix typo. Use TLS/SSL. - Review by John Cowan - Discuss Marc Feeley's earlier work. - Add more acknowledgements. - New abstract - Rename two-argument versions of call/cc as requested by Marc Feeley. - Incorporate Vladimir Nikishkin's suggestions. - Add section on safety and concurrent modifications. - Add remark on table of contents in issue section. - Add concurrent modification violation. - Add and implement thread locals; remove -specific inherited from SRFI 18. - Clarify the limits of this specific iterator protocol. - Rename current-exception-handlers to exception-handler-stack. - Add explanation about the use of the word *prompt*. - Explain initial continuation better. - Rewording forcing continuation. - Clarify aborted continuation. - Add some rationale for why w-c-m is a special form. - Incorporate John's latest editorial comments. - Add documentation for the SRFI 18 procedures. - Clean up issue section. - Fix errors reported by W3C HTML Validator. - Publish second draft. Here's the diff: https://github.com/scheme-requests-for-implementation/srfi-226/compare/draft-1..draft-2 Regards, SRFI Editor