# File rbot/plugins/url.rb, line 54
  def urls(m, channel, max=4)
    max = 6 if max > 6
    max = 1 if max < 1
    list = @registry[channel]
    if list.empty?
      m.reply "no urls seen yet for channel #{channel}"
    else
      list[0..(max-1)].each do |url|
        m.reply "[#{url.time.strftime('%Y/%m/%d %H:%M:%S')}] <#{url.nick}> #{url.url}"
      end
    end
  end