Is this preceding work to the tour de force that is the Chez Scheme incremental like 40+ Scheme compiler. I mean, Cisco bought it, probably to hide it from us all. It must be worth something.
https://www.youtube.com/watch?v=Os7FE3J-U5Q
Not true. Chez Scheme has been released as free open source software: https://github.com/cisco/ChezScheme