Scheme Working Group 2
The R7RS (small) language specification (PDF) was approved in 2013-05 and endorsed by the Scheme Language Steering Committee later that year.
Scheme Working Group 2 is developing specifications for R7RS (large).
Working documents
WG2's work is tracked in this Git repo and wiki.
Members
Current members are listed on the R7RS Large members page.
As of 2026-10-11, these people were listed:
- Sudarshan S Chawathe
- Wolfgang Corcoran-Mathe
- John Cowan
- Arthur A. Gleckler
- Vincent Manis
- Peter McGoron
- Marc Nieper-Wißkirchen
- Jani Juhani Sinervo
- Alaric Snell-Pym
- Zhu Zihao
Chairs
John Cowan served as chair from 2009-10-27 through 2024-01-12.
Daphne Preston-Kendal served as chair from 2024-01-13 through 2026-07-26.
Peter McGoron became chair of WG2 on 2026-09-10.
Former members
Discussion mailing list
Discussion list: https://groups.google.com/group/scheme-reports-wg2
Charter
WG2 charter (Revised. Approved by the Steering Committee.)
Progress Reports
- Progress report as of 2010-09-13 (HTML)
- Informal progress report as of 2014-11-19: Large Scheme: A Personal View (PDF) by John Cowan.
- R7RS Large Status Report (YouTube) by John Cowan (Scheme Workshop 2022).
- Scheme Reports at Fifty: Where do we go from here?, by Daphne Preston-Kendal (Scheme Workshop 2025).
- The R7RS-Large Roadmap, by Peter McGoron (Scheme Workshop 2026).
Public discussion forum: scheme-reports (at) scheme-reports.org