warn_no_database

# File lib/rdoc/ri/display.rb, line 377
  def warn_no_database
    output = @formatter.output

    output.puts "No ri data found"
    output.puts
    output.puts "If you've installed Ruby yourself, you need to generate documentation using:"
    output.puts
    output.puts "  make install-doc"
    output.puts
    output.puts "from the same place you ran `make` to build ruby."
    output.puts
    output.puts "If you installed Ruby from a packaging system, then you may need to"
    output.puts "install an additional package, or ask the packager to enable ri generation."
  end