What you do to avoid that is legislate it for a limited time (lets say ~5-10 years) and then not renew it. This forces everyone to move to the standard in the m

What you do to avoid that is legislate it for a limited time (lets say ~5-10 years) and then not renew it. This forces everyone to move to the standard in the medium term and doesn't impose long-term restrictions to new, better formats coming along.