Thank you! :) I totally get it. Same with my book: a new revision of the standard (Fortran 2018) was published half-way through the writing. However, thanks to

Thank you! :) I totally get it. Same with my book: a new revision of the standard (Fortran 2018) was published half-way through the writing. However, thanks to the glacial pace of the Fortran standards development, I was able to plan for the additions to the language from the start.