From dc59f33ccf4a2075461285fff8fd5c1661bd7f57 Mon Sep 17 00:00:00 2001
From: npezza93 <npezza93@gmail.com>
Date: Sat, 27 Jan 2018 22:06:31 -0500
Subject: [PATCH] Fix translateBufferToString bug

---
 src/Buffer.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Buffer.ts b/src/Buffer.ts
index 3e7d61224..9d47666f4 100644
--- a/src/Buffer.ts
+++ b/src/Buffer.ts
@@ -217,7 +217,10 @@ export class Buffer implements IBuffer {
     // needed here because some chars are 0 characters long (eg. after wide
     // chars) and some chars are longer than 1 characters long (eg. emojis).
     let startIndex = startCol;
-    endCol = endCol || line.length;
+    // Only set endCol to the line length when it is null. 0 is a valid column.
+    if (endCol === null) {
+      endCol = line.length;
+    }
     let endIndex = endCol;
 
     for (let i = 0; i < line.length; i++) {