| line | !l | l&&!r | l&&r | condition | 
 
| 115 | 4 | 0 | 0 | defined $cdelt2 and defined $ctype2 | 
 
|  | 4 | 0 | 0 | defined $cdelt2 and defined $ctype2 and $ctype2 eq 'DEC--TAN' | 
 
| 167 | 2 | 2 | 0 | exists $FITS_headers->{'FILTER'} and $FITS_headers->{'FILTER'} =~ /pol/i | 
 
| 196 | 4 | 0 | 0 | defined $cdelt1 and defined $ctype1 | 
 
|  | 4 | 0 | 0 | defined $cdelt1 and defined $ctype1 and $ctype1 eq 'RA---TAN' | 
 
| 263 | 0 | 2 | 0 | $detector_bias > 0.61 and $detector_bias < 0.63 | 
 
| 319 | 2 | 0 | 2 | exists $FITS_headers->{'RDOUT_X1'} and exists $FITS_headers->{'RDOUT_X2'} | 
 
| 356 | 2 | 0 | 2 | exists $FITS_headers->{'RDOUT_Y1'} and exists $FITS_headers->{'RDOUT_Y2'} |