From 279c9a29eedcbfd6748ac6e5e33fe4a26ed29188 Mon Sep 17 00:00:00 2001
From: Tucker Evans <tuckerevans24@gmail.com>
Date: Mon, 7 Oct 2019 13:45:35 -0400
Subject: Fix io declarations, can be empty

---
 pc.y | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pc.y b/pc.y
index 98c0bdc..23b3b24 100644
--- a/pc.y
+++ b/pc.y
@@ -122,6 +122,7 @@ program
 io_list
 	:IO
 	|io_list ',' IO
+	| /*empty*/
 ;
 
 id_list
-- 
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