This page is part of the web mail archives of SRFI 37 from before July 7th, 2015. The new archives for SRFI 37 contain all messages, not just those from before July 7th, 2015.
Have you had a chance to look at PLT's cmdline.ss library? It does a lot of similar things to this srfi and it might be worth seeing if any of would carry over to this srfi. Also, if it were close to this srfi, it would probably be easy to add support to this srfi to DrScheme and MzScheme. Robby