From The Free On-line Dictionary of Computing (19 January 2023):
Vlisp
<language>
1. A Lisp dialect developed by Patrick Greussay
<pg@litp.ibp.fr> in about 1973 with a fast interpreter and a
portable virtual machine. Vlisp introduced the
"chronology", a dynamic environment for implementing
interrupts. It led to Le_Lisp. See also ObjVlisp.
["Contribution a la Definition Interpretive et a
l'Implementation des Lambda-Langages", P. Greussay, These
d'Etat, U Paris VI, Nov 1977].
[Relationship to Vincennes LISP?]
2. Vincennes LISP.
(2008-03-16)