On 13 Nov 2013, at 13:27, Paul Hoffman <paul.hoffman@xxxxxxxx> wrote: > It would be nice if ECMA-404 was clearer on this I think the only way to read the English prose in ECMA-404 is to always allow insignificant whitespace around every token, including the single token that makes up an out-of-container JSON value. That is also consistent with the most widely deployed extensions of JSON for out-of-container values, including the one in recent JavaScript. (Yes, it is easier to be unambiguous with ABNF.) Grüße, Carsten