Alexander Burger, author of PicoLisp, has done something similar by outputting ANSI codes directly: https://www.mail-archive.com/picolisp@software-lab.de/msg09

Alexander Burger, author of PicoLisp, has done something similar by outputting ANSI codes directly: https://www.mail-archive.com/picolisp@software-lab.de/msg09043.html https://www.mail-archive.com/picolisp@software-lab.de/msg090... (Vip is a vi clone written in PicoLisp)