From c0f800b9125755d4c17c1d9b6922c2a652f12fe3 Mon Sep 17 00:00:00 2001
From: Matthew Butterick <mb@mbtype.com>
Date: Sat, 22 Dec 2018 23:18:28 -0800
Subject: [PATCH] the metal

---
 pitfall/pitfall/jpeg-structy.rkt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pitfall/pitfall/jpeg-structy.rkt b/pitfall/pitfall/jpeg-structy.rkt
index dd6e21af..94fd5747 100644
--- a/pitfall/pitfall/jpeg-structy.rkt
+++ b/pitfall/pitfall/jpeg-structy.rkt
@@ -1,6 +1,7 @@
 #lang debug racket/base
 (require
   "core.rkt"
+  "reference.rkt"
   racket/class
   racket/contract
   racket/dict