From 83a4c68df9ab8c9703d3da2c424db0b08926da2a Mon Sep 17 00:00:00 2001
From: Jonas Jenwald <jonas.jenwald@gmail.com>
Date: Fri, 1 Aug 2014 18:24:51 +0200
Subject: [PATCH] Add strict equalities in src/core/core.js

---
 src/core/core.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/core.js b/src/core/core.js
index 4d130b0fc..d61aedca6 100644
--- a/src/core/core.js
+++ b/src/core/core.js
@@ -311,7 +311,7 @@ var PDFDocument = (function PDFDocumentClosure() {
     var str = strBuf.join('');
     stream.pos = pos;
     var index = backwards ? str.lastIndexOf(needle) : str.indexOf(needle);
-    if (index == -1) {
+    if (index === -1) {
       return false; /* not found */
     }
     stream.pos += index;