I've just published draft #4 of SRFI 135.  It was submitted
by William D Clinger, the author of the SRFI.

  <http://srfi.schemers.org/srfi-135/>

Here are his comments on the change:

  This third draft incorporates all corrections and most
  suggestions that have been made following the second
  draft. The test program has been corrected, and the
  libraries now export a textual->text procedure.

  Commit Summary

  * Added instructions for running in Gauche, foment, and
    Kawa.
  * Third draft with corrections to test program.

  File Changes

  * M Benchmark/README.txt (13)
  * M srfi-135.html (112)
  * M srfi/135.body.scm (124)
  * M srfi/135.sld (1)
  * M srfi/135/texts.sld (1)
  * M texts-test.sps (38)

The diffs can be found here:

  <https://github.com/scheme-requests-for-implementation/srfi-135/commits/master>

Regards,

SRFI Editor