@Override
	// Overridden so that we can call the preferred version of setCurrentURL on the HelpModel,
	// which fixes a bug with the history list (SCR 7639)
	public void setCurrentURL(final URL URL) {

		HelpModel model = getCustomHelpModel();
		if (model != null) {
			model.setCurrentURL(URL, getHistoryName(URL), null);
		}
		else {
			super.setCurrentURL(URL);
		}
	}
Construct a new GhidraHelpBroker.
@param hs java help set associated with this help broker
Ghidra/Framework/Help/src/main/java/help/GHelpBroker.java