I agree requiring XML could have been a disaster. Still, the law seems to need to require more of we are to more meaningfully achieve interoperability. What's s

I agree requiring XML could have been a disaster. Still, the law seems to need to require more of we are to more meaningfully achieve interoperability. What's stopping companies from coming up with pathological data formats or generally making the data available but not easily available? Could the law specify some necessary characteristics of the data format? What if there already is a popular standard (http://fhir.org http://fhir.org)?