I don't think it would look different. There is a big difference between Fortran 77 and Fortran 90, but less between Fortran 90 and Fortran 2018, at least for t

I don't think it would look different. There is a big difference between Fortran 77 and Fortran 90, but less between Fortran 90 and Fortran 2018, at least for this example.