private void displayHelpInfo(Object helpObj, HelpLocation loc, Window parent) {
		String msg = getHelpInfo(helpObj, loc);
		Msg.showInfo(this, parent, "Help Info", msg);
	}
Create a new help set for the given url, if one does
not already exist.
@param classLoader the class loader
Ghidra/Framework/Docking/src/main/java/docking/help/HelpManager.java