anchor.diff:  use dateutil, only: input_file, &
                       output_file, &
                       date_option, &
  -                    date_format
  +                    date_format, &
  +                    iWantMilliseconds
   
   implicit none
   
  
positive.code: output_file = ''
  date_option = ''
  date_format = 'YYYY-MM-DDTHH:MM:SS'
  
  ! Number of arguments
  narg = command_argument_count()
  
negative.code: use dateutil, only: input_file, &
                      output_file, &
                      date_option, &
                      date_format, &
                      iWantMilliseconds
  
  implicit none
  
  