From 9b50a50baddc4f39d544cd779f7db6af176926a0 Mon Sep 17 00:00:00 2001
From: embeddedt <42941056+embeddedt@users.noreply.github.com>
Date: Sat, 29 Apr 2023 09:22:55 -0400
Subject: [PATCH] Allow mutating CanonizingStringMap.keySet()

---
 .../java/org/embeddedt/modernfix/util/CanonizingStringMap.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/embeddedt/modernfix/util/CanonizingStringMap.java b/src/main/java/org/embeddedt/modernfix/util/CanonizingStringMap.java
index 737e9bca..e5bb2f2d 100644
--- a/src/main/java/org/embeddedt/modernfix/util/CanonizingStringMap.java
+++ b/src/main/java/org/embeddedt/modernfix/util/CanonizingStringMap.java
@@ -98,7 +98,8 @@ public class CanonizingStringMap<T> implements Map<String, T> {
     @NotNull
     @Override
     public Set<String> keySet() {
-        return Collections.unmodifiableSet(this.backingMap.keySet());
+        // has to be modifiable because mods (cough, Tinkers) use it to clear the tag
+        return this.backingMap.keySet();
     }
 
     @NotNull