From 2398a9e087a104de5de11eef2da3188f2ce74905 Mon Sep 17 00:00:00 2001
From: Michael Becker <alcexhim@gmail.com>
Date: Sun, 17 Nov 2019 14:46:02 -0500
Subject: [PATCH] don't crash if we get passed in a null string

---
 .../Libraries/UniversalEditor.Core/ExtensionMethods.cs   | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/CSharp/Libraries/UniversalEditor.Core/ExtensionMethods.cs b/CSharp/Libraries/UniversalEditor.Core/ExtensionMethods.cs
index 593d0171..fc15d2c8 100644
--- a/CSharp/Libraries/UniversalEditor.Core/ExtensionMethods.cs
+++ b/CSharp/Libraries/UniversalEditor.Core/ExtensionMethods.cs
@@ -32,7 +32,14 @@ namespace UniversalEditor
 			long offset = 0;
 			for (int i = 0; i < index; i++)
 			{
-				offset += list[i].Length + additionalPadding;
+				if (list[i] == null)
+				{
+					offset += additionalPadding;
+				}
+				else
+				{
+					offset += list[i].Length + additionalPadding;
+				}
 			}
 			return offset;
 		}