Ah, the Lisp syntax. For me a very simple rule seems to have "clicked it": parentheses around the whole call, not only arguments. Interestingly, I picked up th

Ah, the Lisp syntax. For me a very simple rule seems to have "clicked it": parentheses around the whole call, not only arguments. Interestingly, I picked up this rule when I got into OCaml. Then I got back to Lisp and suddenly it looked much more readable. YMMV.