+ ;; EIEIO's :initform is not 100% compatible with CLOS in
+ ;; that if the form is an atom, it assumes it's constant
+ ;; value rather than an expression, so in order to get the value
+ ;; of `most-positive-fixnum', we need to use an
+ ;; expression that's not just a symbol.
+ :initform ,(symbol-value 'most-positive-fixnum)