From 522106ab63e8214eb0db714bf31953c0a83e087a Mon Sep 17 00:00:00 2001
From: Ben Lubar <ben.lubar@gmail.com>
Date: Sat, 18 Jan 2020 21:21:04 -0600
Subject: [PATCH] handle value_type::NONE

---
 helpers_content.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/helpers_content.cpp b/helpers_content.cpp
index ef2361d..8078921 100644
--- a/helpers_content.cpp
+++ b/helpers_content.cpp
@@ -988,6 +988,9 @@ void value_level(std::ostream & s, df::value_type type, int32_t level)
     BEFORE_SWITCH(value, type);
     switch (value)
     {
+    case value_type::NONE:
+        s << "(no value)";
+        BREAK(value);
     case value_type::LAW:
         if (level > 40)
         {