diff --git a/src/metadata.js b/src/metadata.js
index 48bc902a9..7f3f24a86 100644
--- a/src/metadata.js
+++ b/src/metadata.js
@@ -1,3 +1,6 @@
+/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
+
 'use strict';
 
 var Metadata = PDFJS.Metadata = (function MetadataClosure() {