> Steel Bank Common Lisp, aka Steel Bank Common Lisp, is a historical programming language<p>I'd call it a compiler, not a language, and I've never heard it called "historical". What makes a language "historical"?<p>> ABCL%2Fc%2B is a historical programming language created in 1988.<p>Got some escaping issues here.<p>> Beginner's All-purpose Symbolic Instruction Code, aka Beginner's All-purpose Symbolic Instruction Code, is an actively used programming language created in 1964. BASIC (an acronym for Beginner's All-purpose Symbolic Instruction Code) is a family of general-purpose, high-level programming languages whose design philosophy emphasizes ease of use.<p>Lots of redundancy redundancy here, redundantly.<p>> #include <objpak.h><p>I'm having a little trouble finding what this is, but it's not part of (modern) Objective-C, and this hello-world doesn't compile with Clang. It seems to be a class library that shipped with one (non-NeXT/Apple) Objective-C compiler. I don't think I've ever seen the do:{:each |...} syntax in Objective-C, either.