# File rbot/plugins/weather.rb, line 37
  def privmsg(m)
    case m.params
    when nil
      if @registry.has_key?(m.sourcenick)
        where = @registry[m.sourcenick]
        describe(m,where)
      else
        m.reply "I don't know where #{m.sourcenick} is!"
      end
    when (/^(\S{4})$/)
      where = $1
      @registry[m.sourcenick] = where
      describe(m,where)
    end
  end