compound function support, mark-sweep garbage collection, quasiquotation, and a
basic (non-hygienic) macro system.
-In future, I plan to also implement call-with-current-continuation and a more
+In future, I plan to also implement reified continuations and a more
complete numerical tower to bring it closer to
[R5RS](http://www.schemers.org/Documents/Standards/R5RS/).