From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: jmp <jasonpenilla2@me.com>
Date: Mon, 5 Apr 2021 18:35:15 -0700
Subject: [PATCH] Don't ignore result of PlayerEditBookEvent


diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index f5de1e31b62a4e04b865ab041e122d33c7efd54e..95b229081a4d51d63f477ef7894a938584d87fd0 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -1191,7 +1191,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
         }
 
         itemstack.addTagElement("pages", (Tag) nbttaglist);
-        CraftEventFactory.handleEditBookEvent(player, slot, old, itemstack); // CraftBukkit
+        this.player.containerMenu.setItem(slot, CraftEventFactory.handleEditBookEvent(player, slot, old, itemstack)); // CraftBukkit // Paper - Don't ignore result (see other callsite for handleEditBookEvent)
     }
 
     @Override