list_known_classes

# File lib/rdoc/ri/driver.rb, line 847
  def list_known_classes
    classes = []

    stores.each do |store|
      classes << store.modules
    end

    classes = classes.flatten.uniq.sort

    page do |io|
      if paging? or io.tty? then
        io.puts "Classes and Modules known to ri:"
        io.puts
      end

      io.puts classes.join("\n")
    end
  end