@Override
		public boolean isID(URL url) {
			return mapDelegate.isID(url);
		}
This is meant for help files that are not included in the standard help system.  Their
id paths are expected to be relative to the application install directory.
@param rawId the help id.
@return the URL to the help file.
Ghidra/Framework/Help/src/main/java/help/GHelpSet.java