[GregBuchholz]

Yes, and next I'd love to see big parentheses:

    ⎛if ⎛> (+ a b)⎞ ⎛case x      ⎞ ⎛cond              ⎞⎞
    ⎜   ⎝  (- c d)⎠ ⎜    (1 'foo)⎟ ⎜  ((> y 2) 'quux) ⎟⎟
    ⎜               ⎜    (2 'bar)⎟ ⎝  (t       'error)⎠⎟
    ⎝              ⎝    (3 'baz)⎠                   ⎠

((http://imgur.com/oI0zVm3) if that isn't rendering for your setup)

[sitkack]

This is an excellent idea!