A bunch of topics are covered in this paper: * interactive programming in Lisp * residential systems with managed source * structure editing * domain s

A bunch of topics are covered in this paper: * interactive programming in Lisp * residential systems with managed source * structure editing * domain specific languages * programming methodology * programmable/extensible software * embedded languages * patching code by advising (before and after...) and more This paper is also included in the book 'Interactive Programming Environments', 1984, Barstow/Shrobe/Sandewall