I don't want to type or parse duplicate tags and angle brackets. It's nonsense for a human readable format. I work on low latency distributed systems where pe

I don't want to type or parse duplicate tags and angle brackets. It's nonsense for a human readable format. I work on low latency distributed systems where performance does matter. We use proto wire format mostly. Proto has its own human readable text format that I prefer because it's more convenient than JSON (no commas, unquoted keys), but I'd pick JSON over XML any day.