docs: public static HelpSet newHelpSet(final String directoryPath, final String filename)
  		throws HelpSetException
  	{
  		String absolutePath = directoryPath + filename;
  		URL hsURL = ClassExtensions.getResource(absolutePath);
  		HelpSet hs = new HelpSet(ClassExtensions.getClassLoader(), hsURL);
  		return hs;
  	}