> CLOS was originally implemented using macros it was also implemented originally with variables, functions, types, system specific data types, numbers, symbol

> CLOS was originally implemented using macros it was also implemented originally with variables, functions, types, system specific data types, numbers, symbols and a bunch of other things, including itself. > CLisp supports but Note that CLISP is an implementation of Common Lisp. The language itself is abbreviated as CL, not CLISP. If one says CLISP, then one only means CLISP, the specific implementation. The name CLISP comes from the implementation being implemented using C.