I've just published draft #2 of SRFI 159.  It was submitted by Alex Shinn, author of the SRFI.

  <https://srfi.schemers.org/srfi-159/>

Here's the diff:

  <https://github.com/scheme-requests-for-implementation/srfi-159/compare/b3b72621cc3aa88a23fd844749f6e136a4acd802...78aaf772df8e1f2aa71937d3540c4c7600d7305c>

Regards,

SRFI Editor