[issue30550] Document order-preserving dictionary output in json

[Eric O. LEBIGOT]

Changes by Eric O. LEBIGOT <eric.lebigot at normalesup.org>:


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title: Document order-preserving dictionary output in son -> Document order-preserving dictionary output in json

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue30550>
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