I've just published draft #3 of SRFI
175.  It was submitted by Lassi Kortela,
author of the SRFI.

  <https://srfi.schemers.org/srfi-175/>

Here's the diff:

  <https://github.com/scheme-requests-for-implementation/srfi-175/compare/3aaaa17a..91ee56de>

Here are the commit comments:

  - Use DTD for HTML5.
  - Update abstract.
  - Add ascii-control->display and
    ascii-display->control
  - Change year of first ASCII standard
    per John's remark
  - Add bracket matching procedures
  - Remove string constants
  - Fix old name of ANSI from ASA ->
    USASI
  - Make bracket argument explanation
    more obvious
  - Add ascii-byte?, ascii-bytevector?,
    ascii-string?
  - Change "X must be Y" -> "it is an
    error if X is not Y"
  - Rewrite section about characters as
    fixnums
  - Refactor library code
  - Rename ascii-byte? to
    ascii-codepoint?
  - Rewrite all fixnum vs bignum stuff
    in the spec
  - Ensure correct directory in
    r6rs-symbolic-links.sh
  - Add Larceny run scripts
  - Remove spurious mentions of fixnum
    type
  - Update Cyclone compile script
  - Add Racket run script
  - Add Loko run script
  - Add Ikarus run script
  - Add Ypsilon run script
  - Mention more tested Schemes
  - Publish third draft.

Regards,

SRFI Editor