From 6b098c1c2b3d128708ea6081ba25039b8a539646 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20=C3=96berg?= <sebastian.oberg@gmail.com>
Date: Wed, 4 Nov 2015 11:00:08 +0100
Subject: [PATCH] Fixed zooming in with plus sign.

---
 src/viewer.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/viewer.js b/src/viewer.js
index c66556f1..923bfd6b 100644
--- a/src/viewer.js
+++ b/src/viewer.js
@@ -2293,6 +2293,7 @@ function onCanvasKeyDown( event ) {
 function onCanvasKeyPress( event ) {
     if ( !event.preventDefaultAction && !event.ctrl && !event.alt && !event.meta ) {
         switch( event.keyCode ){
+            case 43://=|+
             case 61://=|+
                 this.viewport.zoomBy(1.1);
                 this.viewport.applyConstraints();