# File lib/action_mailer/vendor/tmail-1.2.7/tmail/vendor/rchardet-1.3/lib/rchardet/charsetgroupprober.rb, line 39
    def reset
      super
      @_mActiveNum = 0

      for prober in @_mProbers
        if prober
          prober.reset()
          prober.active = true
          @_mActiveNum += 1
        end
      end
      @_mBestGuessProber = nil
    end