ISLisp
International Standard Lisp.
An
object-oriented Lisp intended as an international replacement for
Common Lisp,
EuLisp,
Le-Lisp and
Scheme.
The standard's goals are object orientation, extensibility, efficiency, and suitability for non-academic use.
The standard is defined in
ISO WG 16, draft Dec 1992.
(ftp://ma2s2.mathematik.uni-karlsruhe.de/pub/lisp/islisp/).