⎛if ⎛> (+ a b)⎞ ⎛case x ⎞ ⎛cond ⎞⎞
⎜ ⎝ (- c d)⎠ ⎜ (1 'foo)⎟ ⎜ ((> y 2) 'quux) ⎟⎟
⎜ ⎜ (2 'bar)⎟ ⎝ (t 'error)⎠⎟
⎝ ⎝ (3 'baz)⎠ ⎠
...(hmmm. For some reason that looks better in my editor than on the webpage. Apparently a fixed width font isn't necessarily fixed when it comes to unicode).