Appendix D Obsolete Features **************************** This section describes some features of the package that are obsolete and should not be used in new code. They are either only provided by the old ‘cl.el’ entry point, not by the newer ‘cl-lib.el’; or where versions with a ‘cl-’ prefix do exist they do not behave in exactly the same way.
· Obsolete Lexical Binding An approximation of lexical binding. · Obsolete Macros Obsolete macros. · Obsolete Setf Customization Obsolete ways to customize setf.