From 6582e2ff06460e33339f157ae24b6536da7c1620 Mon Sep 17 00:00:00 2001
From: Evert Timberg <evert.timberg@gmail.com>
Date: Sat, 13 Jun 2015 08:59:54 -0400
Subject: [PATCH] Handle nesting better in the clone method so that we don't
 wipe out the line defaults when the scatter chart extends

---
 src/core/core.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/core/core.js b/src/core/core.js
index 6260c3a69..b2dcc0045 100755
--- a/src/core/core.js
+++ b/src/core/core.js
@@ -108,7 +108,11 @@
             var objClone = {};
             each(obj, function(value, key) {
                 if (obj.hasOwnProperty(key)) {
-                    objClone[key] = value;
+                    if (typeof value === 'object' && value !== null) {
+                        objClone[key] = clone(value);
+                    } else {
+                        objClone[key] = value;
+                    }
                 }
             });
             return objClone;
-- 
2.47.3