private void calloutReferenceLater() {
		Swing.runLater(() -> calloutReference(loadingURL));
	}
An extension of the {@link GHelpBroker} that allows {@code Docking} classes to be installed.
<p>
Additions include a search feature a navigation aid.
Ghidra/Framework/Docking/src/main/java/docking/help/DockingHelpBroker.java