Release 2.0 of MLC++ (6 Oct 1996)

* Trimming doesn't work properly in accuracy estimation.

* If FSS_ACC_ESTIMATOR is set to "test" in feature subset
    selection then you'll get:
      Error - AccData::check_real: real accuracy is undefined.

  The workaround is to do 
      setenv FSS_SHOW_REAL_ACC always