Bug #2:

If you pass a weight of 0 to a feature in the classifier, it ignores
all features.

It is now fixed (radev, December 16, 2003): Now a feature weight of 0
is considered properly.

In default-classifier.pl, the following change was needed:

% diff -c default-classifier.pl dc.pl

-----------------------------------------------------------------------
*** default-classifier.pl       Tue Dec 16 20:43:56 2003
--- dc.pl       Tue Dec 16 20:43:48 2003
***************
*** 70,77 ****
  
      my $fname;
      my $weight;
! 
!     while ((defined($fname = shift @ARGV)) && (defined($weight =
      shift @ARGV))){
        $fnames{$fname} = $weight;
        Debug("$fname : $weight",1,"ParseOpts");
      }
--- 70,77 ----
  
      my $fname;
      my $weight;
!     
!     while (($fname = shift @ARGV) && ($weight = shift @ARGV)) {
        $fnames{$fname} = $weight;
        Debug("$fname : $weight",1,"ParseOpts");
      }
-----------------------------------------------------------------------