If I'm reading it correctly: "null" would be a valid value, but a key/name would still need to be specified. So a blank document with the word "null" on it is i

If I'm reading it correctly: "null" would be a valid value, but a key/name would still need to be specified. So a blank document with the word "null" on it is invalid because the value of null has no key... but again, I may be reading it wrong.