See: https://github.com/edrx/emlua/ https://github.com/edrx/emlua/#introduction (find-angg "emacs-lua/emlua.cpp") (find-angg "emacs-lua/emlua.el") http://lua-users.org/lists/lua-l/2021-03/msg00046.html my question http://lua-users.org/lists/lua-l/2021-03/msg00084.html nerditation's answer