From a7aded65e44d95c592eb6713e2a1b9c94028c86d Mon Sep 17 00:00:00 2001
From: Myk Taylor <myk002@yahoo.com>
Date: Mon, 17 Apr 2023 01:04:03 -0700
Subject: [PATCH] match new gems category

---
 library/modules/Materials.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/library/modules/Materials.cpp b/library/modules/Materials.cpp
index d73b59922..7a1ef249f 100644
--- a/library/modules/Materials.cpp
+++ b/library/modules/Materials.cpp
@@ -439,6 +439,7 @@ bool MaterialInfo::matches(const df::dfhack_material_category &cat) const
         return true;
     if (cat.bits.milk && linear_index(material->reaction_product.id, std::string("CHEESE_MAT")) >= 0)
         return true;
+    TEST(gem, IS_GEM);
     return false;
 }