ref: 2f3e23bd374f9a6504de6000989ebf2adf67c80c
dir: /tests/fib-hygienic.zuo/
#lang zuo/hygienic ;; Performance should be the same as the non-hygienic parsing, but we ;; may want to check on the startup overhead of `zuo/hygienic` (include "fib-common.zuo")