From 99f6985115cfe26ed6f850d0d6943af3d80492f6 Mon Sep 17 00:00:00 2001
From: Daniel Rosenwasser <drosen@microsoft.com>
Date: Thu, 16 Jul 2015 19:41:23 -0700
Subject: [PATCH] Don't expand tabs; just use a space.

---
 src/compiler/tsc.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compiler/tsc.ts b/src/compiler/tsc.ts
index c3b80b800c8..dbd70e7557c 100644
--- a/src/compiler/tsc.ts
+++ b/src/compiler/tsc.ts
@@ -122,7 +122,7 @@ namespace ts {
                 let lineEnd = getPositionOfLineAndCharacter(file, firstLine + i + 1, 0);
                 let lineContent = file.text.slice(lineStart, lineEnd);
                 lineContent = lineContent.replace(/\s+$/g, "");  // trim from end
-                lineContent = lineContent.replace("\t", "    "); // normalize tabs to 4 spaces
+                lineContent = lineContent.replace("\t", " ");    // convert tabs to single spaces
 
                 output += lineContent + sys.newLine;