I object to the claim that a Lisp-2 has first-class functions.
What? Functions can be passed as arguments? Check! Returned from functions? Check! Stored in variables? Check! Lisp-2 just means functions and vars live in separate namespaces, that's all. In every other aspect they are first-class.
What? Functions can be passed as arguments? Check! Returned from functions? Check! Stored in variables? Check! Lisp-2 just means functions and vars live in separate namespaces, that's all. In every other aspect they are first-class.