I've just published draft #2 of SRFI 161.  It was submitted by
Marc Nieper-Wißkirchen, author of the SRFI.

  <https://srfi.schemers.org/srfi-161/>

Here are the Marc's comments on the draft:

  - Add link to Olin Shiver's maze generating code using disjoint
  sets
  - Very minor fixes
  - Fix calculation of unified value

Here's the diff:

  <https://github.com/scheme-requests-for-implementation/srfi-161/compare/19f8206dac74852362da44ccbe49d6bc9c2c0f5a...a4b0bd33f588451ba394415f799be1d8833122bf>

Regards,

SRFI Editor