Guido, thanks for the feedback. I've updated the spec to incorporate your suggestions.
Yes, I'm recommending that we fix the names of the various allowable keyword parameters. The popular libraries use these parameter names, and I don't see a need to provide additional flexibility here. Of course, we could add more configurability if there's a need, but I'd prefer to keep it simple.
-- Eric Traut Contributor to Pyright & Pylance Microsoft Corp.