[x3d-public] impact for JSON: ES6 and duplicate object literal properties

[yottzumm at gmail.com]

Note that in ES6, even in strict mode, the following will not cause an error:

var books = {
	title: “Understanding ECMAScript 6”,
	title: “JavaScript: The Good, the Bad and the Ugly”
};

However,

books.title === “JavaScript: The Good, the Bad and the Ugly”

This will be important for JSON linters to catch, unless we want to do streaming JSON (we don’t).

John

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