# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2018-01-15 23:25:04 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/953045400088391686) RT @nicklockwood: Apparently NSJSONSerialization accepts trailing commas in JSON array/object literals, even though this isn't part of the…