A lot of the new http bugs aren’t caused by ambiguities in http1 headers, or ambiguities in http2 headers. They happen when an http2 message gets rewritten into

A lot of the new http bugs aren’t caused by ambiguities in http1 headers, or ambiguities in http2 headers. They happen when an http2 message gets rewritten into http1 and “valid” http header characters (like new lines) show up as header separators in http1. The problem isn’t that we don’t have a good header format. The problem is we have too many.