We can refer to the language in R7RS 1.3.2, which is comprehensive for magic phrases and modal verbs.
Yes, of course. Good point.
Do you want me to send the list direct to you, or post to the MLs? I could also do a big crosspost, which would be I think easiest for everyone, or everyone who has dupe filtering in their email client. In any case it will be a while.
One message sent at once to all the relevant mailing lists would be fine. That way, the authors will be notified and I can use my standard unanswered-feedback Gmail label to track responses.