--- old/src/java.desktop/share/classes/javax/swing/plaf/basic/BasicToolTipUI.java	2018-06-14 19:00:03.000000000 -0700
+++ new/src/java.desktop/share/classes/javax/swing/plaf/basic/BasicToolTipUI.java	2018-06-14 19:00:02.000000000 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -260,9 +260,9 @@
                                  PropertyChangeListener {
         public void propertyChange(PropertyChangeEvent e) {
             String name = e.getPropertyName();
-            if (name.equals("tiptext") || "font".equals(name) ||
-                "foreground".equals(name) ||
-                "ancestor" == name || "graphicsConfiguration" == name) {
+            if (name.equals("tiptext") || "foreground".equals(name)
+                    || "font".equals(name)
+                    || "graphicsConfiguration".equals(name)) {
                 // remove the old html view client property if one
                 // existed, and install a new one if the text installed
                 // into the JLabel is html source.