diff --git a/src/obj.js b/src/obj.js
index 575dbe133..c0b8ccb09 100644
--- a/src/obj.js
+++ b/src/obj.js
@@ -134,39 +134,39 @@ var Catalog = (function CatalogClosure() {
           while (queue.length > 0) {
             var i = queue.shift();
             var outlineDict = xref.fetch(i.obj);
-			if(outlineDict != null){
-				if (!outlineDict.has('Title'))
-				  error('Invalid outline item');
-				var dest = outlineDict.get('A');
-				if (dest)
-				  dest = xref.fetchIfRef(dest).get('D');
-				else if (outlineDict.has('Dest')) {
-				  dest = outlineDict.get('Dest');
-				  if (isName(dest))
-					dest = dest.name;
-				}
-				var title = xref.fetchIfRef(outlineDict.get('Title'));
-				var outlineItem = {
-				  dest: dest,
-				  title: stringToPDFString(title),
-				  color: outlineDict.get('C') || [0, 0, 0],
-				  count: outlineDict.get('Count'),
-				  bold: !!(outlineDict.get('F') & 2),
-				  italic: !!(outlineDict.get('F') & 1),
-				  items: []
-				};
-				i.parent.items.push(outlineItem);
-				obj = outlineDict.get('First');
-				if (isRef(obj) && !processed.has(obj)) {
-				  queue.push({obj: obj, parent: outlineItem});
-				  processed.put(obj);
-				}
-				obj = outlineDict.get('Next');
-				if (isRef(obj) && !processed.has(obj)) {
-				  queue.push({obj: obj, parent: i.parent});
-				  processed.put(obj);
-				}			
-			}
+            if (outlineDict === null)
+              continue;
+            if (!outlineDict.has('Title'))
+              error('Invalid outline item');
+            var dest = outlineDict.get('A');
+            if (dest)
+              dest = xref.fetchIfRef(dest).get('D');
+            else if (outlineDict.has('Dest')) {
+              dest = outlineDict.get('Dest');
+              if (isName(dest))
+            	dest = dest.name;
+            }
+            var title = xref.fetchIfRef(outlineDict.get('Title'));
+            var outlineItem = {
+              dest: dest,
+              title: stringToPDFString(title),
+              color: outlineDict.get('C') || [0, 0, 0],
+              count: outlineDict.get('Count'),
+              bold: !!(outlineDict.get('F') & 2),
+              italic: !!(outlineDict.get('F') & 1),
+              items: []
+            };
+            i.parent.items.push(outlineItem);
+            obj = outlineDict.get('First');
+            if (isRef(obj) && !processed.has(obj)) {
+              queue.push({obj: obj, parent: outlineItem});
+              processed.put(obj);
+            }
+            obj = outlineDict.get('Next');
+            if (isRef(obj) && !processed.has(obj)) {
+              queue.push({obj: obj, parent: i.parent});
+              processed.put(obj);
+      			}
           }
         }
       }
@@ -571,8 +571,8 @@ var XRef = (function XRefClosure() {
     },
     getEntry: function xRefGetEntry(i) {
       var e = this.entries[i];
-	  if(e == null)
-		return null;
+      if (e === null)
+        return null;
       return e.free ? null : e; // returns null is the entry is free
     },
     fetchIfRef: function xRefFetchIfRef(obj) {