class RDoc::RI::Driver

def add_class out, name, classes
  heading = if classes.all? { |klass| klass.module? } then
              name
            else
              superclass = classes.map do |klass|
                klass.superclass unless klass.module?
              end.compact.shift || 'Object'
              "#{name} < #{superclass}"
            end
  out << RDoc::Markup::Heading.new(1, heading)
  out << RDoc::Markup::BlankLine.new
end