I've just published draft #3 of SRFI 164.  It was submitted by Per
Bothner, author of the SRFI.

  <https://srfi.schemers.org/srfi-164/>

Here are Per's comments on the draft:

  The major change is a new "Implementation" section.  There are
  also some other clarifications and fixes.

Here's the diff:

  <https://github.com/scheme-requests-for-implementation/srfi-164/compare/5665056498fefb9ae5dae7db896132c8c80f8c43...68daf6bb7d8c071355a81fd0f0e8c9d449c4e2c1>

Regards,

SRFI Editor