From f9325048496d7cdbcad233f8a6b84c88e79adcc2 Mon Sep 17 00:00:00 2001
From: Normand Briere <nbriere@noware.ca>
Date: Tue, 17 Sep 2019 20:11:47 -0400
Subject: [PATCH] Rename link2master to link2support.

---
 Composite.java |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/Composite.java b/Composite.java
index 363d4ac..32ee24c 100644
--- a/Composite.java
+++ b/Composite.java
@@ -286,6 +286,8 @@
         for (int i = 0; i < Children().size(); i++)
         {
             Object3D obj = (Object3D) Children().reserve(i);
+            if (obj == null)
+                continue;
             compo.addChild(obj.copyExpand());
             Children().release(i);
         }

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