original commit: e4a0bff456d2c40d688c6b49322ed94ec666b69c
original commit: 4242f62e665949d89c1494e33c67e171d1044437
The "racket" directory contains a pared-back version of the repository, roughly. The "pkgs" directory everything else in the repository, but organized into packages. original commit: b2ebb0a28bf8136e75cd98316c22fe54c30eacb2