For me XML and YAML are about the same. I think I'd also prefer comment-less JSON over both. However, XML wasn't that bad. With a decent editor and schema va

For me XML and YAML are about the same. I think I'd also prefer comment-less JSON over both. However, XML wasn't that bad. With a decent editor and schema validation I would say there's a good chance I was more productive with XML than I am with YAML.