# File rbot/plugins/url.rb, line 11
  def listen(m)
    return unless m.kind_of?(PrivMessage)
    return if m.address?
    if m.message =~ /http:\/\//
      if m.message =~ /(http:\/\/.*?)(?:\s+|$)/
        url = Url.new(m.target, m.sourcenick, Time.new, $1)
        list = @registry[m.target]
        if list.length > 50
          list.pop
        end
        puts "storing url #{url.url}"
        list.unshift url
        @registry[m.target] = list
      end
    end
  end