Yes, I agree. That's a nice trick! It's more verbose, which is a tradeoff, maybe a bad one. Too bad `,` doesn't have an identity element the way `and` does,

Yes, I agree. That's a nice trick! It's more verbose, which is a tradeoff, maybe a bad one. Too bad `,` doesn't have an identity element the way `and` does, so this doesn't solve the problem in JSON.