The Guile VM was deliberately designed to support multiple languages. Guile Emacs was an attempt to run Elisp on Guile's VM, not rewrite Emacs in Scheme. Guile'

The Guile VM was deliberately designed to support multiple languages. Guile Emacs was an attempt to run Elisp on Guile's VM, not rewrite Emacs in Scheme. Guile's VM is also written in C FWIW