anchor.diff:            write (*,8885)
             read *,srcfile
             if (srcfile.eq.'quit') stop
  -          if (srcfile.eq.'help') call usage()
  +          if (srcfile.eq.'help') call usage(' ')
             goto 11
         else
              if (verbose) write(*,9999)
  
positive.code:           write (*,8887)
            read *,haffile
            if (haffile.eq.'quit') stop
            if (haffile.eq.'help') call usage()
            goto 13
        else
             if (verbose) write(*,9999)
  
negative.code:           trgmatchsta = .true.
        else
            write (*,8999)
            call usage(' ')
        endif
   8997 format ('NL in targetparams.txt = 1')
   8998 format ('NL in targetparams.txt = NL in stations.txt')
  