We are not (yet?) living in a post-national world, but the simple digital solution is to require a digital copy to be sent to the national library, as some nati

We are not (yet?) living in a post-national world, but the simple digital solution is to require a digital copy to be sent to the national library, as some nations have done; since national libraries in any case are now all heavily working on digitizing their pre-digital assets and making them available online.