Andreas Rossberg has a similar page: https://people.mpi-sws.org/~rossberg/sml-vs-ocaml.html
...and also a nice display of SML's grammar: https://people.mpi-sws.org/~rossberg/sml.html
...and also a nice display of SML's grammar: https://people.mpi-sws.org/~rossberg/sml.html
http://adam.chlipala.net/mlcomp/