Full continuations would be a major change to the code, and would disallow calling Python functions that call Scheme back. (E.g. right now you could add 'map' t

Full continuations would be a major change to the code, and would disallow calling Python functions that call Scheme back. (E.g. right now you could add 'map' to the toplevel by just binding Python's map().) But yes, I'd mention the difference.