I've just published draft #5 of SRFI 163.  It was submitted by Per
Bothner, author of the SRFI.

  <https://srfi.schemers.org/srfi-163/>

Here are the Per's comments on the draft:

  Attached are a few more changes, mostly based on comments from
  Sudarshan S Chawathe.

Here's the diff:

  <https://github.com/scheme-requests-for-implementation/srfi-163/compare/286853e15dc669e88ca2a6184f1456cdc70fa5d3...82b2bfb930de416ad2a78adf562ea756dc8fec3c>

Regards,

SRFI Editor