From 5cdbb9cff95ca7fd1cb943ba848aa827103a9d96 Mon Sep 17 00:00:00 2001
From: shalliwell <halliwell.steve@gmail.com>
Date: Sun, 17 May 2020 10:21:22 +1000
Subject: [PATCH] Conversation variable match

Don't try to do determine substitutions with an empty conversation
---
 Assets/Fungus/Scripts/Commands/Conversation.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Assets/Fungus/Scripts/Commands/Conversation.cs b/Assets/Fungus/Scripts/Commands/Conversation.cs
index 0b084982..2ebcda97 100644
--- a/Assets/Fungus/Scripts/Commands/Conversation.cs
+++ b/Assets/Fungus/Scripts/Commands/Conversation.cs
@@ -81,7 +81,8 @@ namespace Fungus
 
             var f = GetFlowchart();
 
-            f.DetermineSubstituteVariables(conversationText, referencedVariables);
+            if(!string.IsNullOrEmpty(conversationText.Value))
+                f.DetermineSubstituteVariables(conversationText, referencedVariables);
         }
 #endif
         #endregion Editor caches