From 79ee887c9a48ca87e108a0d158a19bfc9979d330 Mon Sep 17 00:00:00 2001
From: Nathan Sobo <nathan@github.com>
Date: Sun, 20 Jul 2014 15:09:14 -0700
Subject: [PATCH] Fix a bug where scopes were being duplicated for every single
 token

This improves scroll performance by generating many fewer span elements
to render lines.
---
 src/lines-component.coffee | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lines-component.coffee b/src/lines-component.coffee
index 4908221f4..52c81ba06 100644
--- a/src/lines-component.coffee
+++ b/src/lines-component.coffee
@@ -212,7 +212,7 @@ LinesComponent = React.createClass
 
     # Find a common prefix
     for scope, i in desiredScopes
-      break unless scopeStack[i]?.scope is desiredScopes[i]
+      break unless scopeStack[i] is desiredScopes[i]
 
     # Pop scopes until we're at the common prefx
     until scopeStack.length is i