The source for the manual is still up, and is quite readable despite the few style annotations: http://code.google.com/p/chibi-scheme/source/browse/doc/chibi.s

The source for the manual is still up, and is quite readable despite the few style annotations: http://code.google.com/p/chibi-scheme/source/browse/doc/chibi.scrbl http://code.google.com/p/chibi-scheme/source/browse/doc/chib... Note: I don't have access to the original manual link either, so I can't confirm that it's exactly the same document. It describes the language in details.