People, design your systems to conform to reality. Don't make other people bend to fit your lazy design. Yes, it will be more complicated. Yes, it will be more work. Tough noogies. That's what you signed up for.
BUT parent comment blurs important distinctions in the rush to lecture the software developers of the world. As mentioned elsewhere in the thread, legal documents are not the same as educational material, and territory is not universally multi-lingual based on a whim.
Yes, it was either badly designed or designed before the relevant technology was available (e.g. UTF-8).
Yes, replacing it with a system that works properly is an important long-term project.
What are you going to do, sue the state to divert funding from important social programs so they can accommodate accents in their database?
My name has an accent in it. My legal name doesn’t, but I, not the government, am the arbiter of what my real name is.