From f5d62bf88ac12910360faf4f0cb8acd2524f8a7f Mon Sep 17 00:00:00 2001
From: John <johndygit@live.com.ph>
Date: Thu, 8 Feb 2018 21:32:09 +0800
Subject: [PATCH] [unity] Fix <none> item for [SpineSlot] attribute.

---
 .../Assets/spine-unity/Editor/SpineAttributeDrawers.cs        | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/spine-unity/Assets/spine-unity/Editor/SpineAttributeDrawers.cs b/spine-unity/Assets/spine-unity/Editor/SpineAttributeDrawers.cs
index ca11f4269..846113088 100644
--- a/spine-unity/Assets/spine-unity/Editor/SpineAttributeDrawers.cs
+++ b/spine-unity/Assets/spine-unity/Editor/SpineAttributeDrawers.cs
@@ -159,6 +159,10 @@ namespace Spine.Unity.Editor {
 		protected override Texture2D Icon {	get { return SpineEditorUtilities.Icons.slot; } }
 
 		protected override void PopulateMenu (GenericMenu menu, SerializedProperty property, SpineSlot targetAttribute, SkeletonData data) {
+
+			if (TargetAttribute.includeNone)
+				menu.AddItem(new GUIContent(NoneString), string.IsNullOrEmpty(property.stringValue), HandleSelect, new SpineDrawerValuePair(string.Empty, property));
+
 			for (int i = 0; i < data.Slots.Count; i++) {
 				string name = data.Slots.Items[i].Name;
 				if (name.StartsWith(targetAttribute.startsWith, StringComparison.Ordinal)) {