1. A Lisp dialect developed by Patrick Greussay <[email protected]> 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.