Not so - order-preserving implementations are backwards compatible with non-order-preserving implementations. Just rev the spec, and like any other versioned spec, developers can use the new behavior when they know the application environment uses only the new version.

On 3/11/2011 12:41 PM, Dean Landolt wrote:
    Billions of JSON messages vs a handful of sites should be pretty clear cut, 
but I've
    collected some numbers anyway just to make it more obvious.


You've asserted this JSON-advantage claim several times now so you should 
probably know that
keys in JSON are specifically specified as unordered. Nothing TC39 does can 
alter this fact --
it won't (and /can't/) be changed. Even if ECMAScript were to go this route, 
nothing says that
JSON implementations will (or must) respect this ordering. Surprises would lurk 
around every
corner.

[snipped the rest]



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