Bug 239300 [TabbedProperties] underline missing from tab label when tab has focus
bundles/org.eclipse.ui.views.properties.tabbed/src/org/eclipse/ui/internal/views/properties/tabbed/view/TabbedPropertyList.java
private void initAccessible() {
		final Accessible accessible = getAccessible();
		accessible.addAccessibleListener(new AccessibleAdapter() {
			public void getName(AccessibleEvent e) {
				if (getSelectionIndex() != NONE) {
					e.result = elements[getSelectionIndex()].getTabItem()
							.getText();
				}
			}
			public void getHelp(AccessibleEvent e) {
				if (getSelectionIndex() != NONE) {
					e.result = elements[getSelectionIndex()].getTabItem()
							.getText();
				}
			}
		});
		accessible.addAccessibleControlListener(new AccessibleControlAdapter() {
			public void getChildAtPoint(AccessibleControlEvent e) {
				Point pt = toControl(new Point(e.x, e.y));
				e.childID = (getBounds().contains(pt)) ? ACC.CHILDID_SELF
					: ACC.CHILDID_NONE;
			}
			public void getLocation(AccessibleControlEvent e) {
				if (getSelectionIndex() != NONE) {
					Rectangle location = elements[getSelectionIndex()]
						.getBounds();
					Point pt = toDisplay(new Point(location.x, location.y));
					e.x = pt.x;
					e.y = pt.y;
					e.width = location.width;