Actually the Lisp tradition has provided extensive support for formatting code. Common Lisp has this built in, in the form of pretty printing. Various IDEs have

Actually the Lisp tradition has provided extensive support for formatting code. Common Lisp has this built in, in the form of pretty printing. Various IDEs have some degree of formatting rule support built-in. See for example: https://dspace.mit.edu/bitstream/handle/1721.1/6503/AIM-1102.pdf https://dspace.mit.edu/bitstream/handle/1721.1/6503/AIM-1102... XP, A Common Lisp Pretty Printing System, 1989 by Richard C. Waters Interlisp dealt with code formatting for its support of true structure editing.