Is null valid JSON (4 bytes, nothing else)

Question

Hot debate today:

Is the text stream null valid JSON?

According to http://www.ietf.org/rfc/rfc4627.txt?number=4627:

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Answer 1

[Note! This answer is no longer correct, see answer by @niksnut.]

Yes, both statements must be true. The literal token null is a JSON value. A JSON text is a serialized object or array, which requires {} or [].