Comment by zzo38computer

I use ASN.1X, so I use some types that those other formats do not have. Some of the types of ASN.1 are: unordered set, ISO 2022 string, object identifier, bit string. I added some additional types into ASN.1X, such as: TRON string, rational numbers, key/value list (with any types for keys and for values (and the types of keys do not necessarily have to match); for one thing, keys do not have to be Unicode), and reference to other nodes. However, ASN.1 (and ASN.1X) does not distinguish between qNaN and sNaN. I had also made up TER, which is a text format that can be converted to DER (like how ORT can be converted to ORB, although its working is differently, and is not compatible with JSON (TER somewhat resembles PostScript)).

Your extensions of JSON with comments, hexadecimal notation, optional commas, etc is useful though (my own program to convert JSON to DER does treat commas as spaces, although that is an implementation detail).