Would be interesting to see the HTML spec find a way to pull from the SCXML[0] spec for declaratively modeling nested, parallel state machines, maybe adding pse

Would be interesting to see the HTML spec find a way to pull from the SCXML[0] spec for declaratively modeling nested, parallel state machines, maybe adding pseudo-selectors to CSS for querying it. [0]https://www.w3.org/TR/scxml/ https://www.w3.org/TR/scxml/