On 6 June 2013 12:29, Douglas Crockford <[email protected]> wrote:
> The JSON RFC says > > The names within an object SHOULD be unique. > > Sadly, there are people in the JavaScript community who interpreted SHOULD > to mean DON'T HAVE TO. In a perfect world, we would change the SHOULD to > MUST, but we can't. Interoperability and security concerns demand that we > specify what happens when keys are duplicated. So we may end up with > something like this: > > The names within an object SHOULD be unique. If a key is duplicated, > a parser SHOULD reject. If it does not reject, it MUST take only the > last of the duplicated key pairs. > > Does anyone see a problem with this? > That doesn't make sense "should" should be "must" because if it's taking the last key then you can overwrite someone else's data.
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