Fix navigation arrows.

Normand Briere

2019-09-08 4a303a7b3635adfee8f46ac76af4e1b7b4a7029b

 Attribute.java
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@@ -22,9 +22,9 @@
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         return csg;
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     }
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-    protected void deepCopySelf(Object3D other)
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+    protected void deepCopyNode(Object3D other)
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     {
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-        super.deepCopySelf(other);
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+        super.deepCopyNode(other);
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         Attribute c = (Attribute) other;
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         c.cleardepth = cleardepth;