Actually, that's exactly what I ended up doing. Using HTML alone ended up being too cumbersome. I needed a single source of truth that I could serialize the da

Actually, that's exactly what I ended up doing. Using HTML alone ended up being too cumbersome. I needed a single source of truth that I could serialize the data into and JSON ended up being perfect. I'm still holding out hope for a single XML-like language that can describe web apps in full, however. The tools we use now are way too broad and powerful compared to what you end up implementing with them 99% of the time.