# File lib/plugins/defaults/standard_commands.rb, line 358
  def self.show_settings(conf, level = 0)
    conf.__values__.each do |k, v|
      if v.instance_of? Termtter::Config
        puts "#{k}:"
        show_settings v, level + 1
      else
        print '  ' * level
        puts "#{k} = #{v.nil? ? 'nil' : v.inspect}"
      end
    end
  end