Does this support JSON5

[longweismile]

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Troubleshooter report
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Environment
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• Microconroller: [e.g. ESP8266]
• Core/runtime: [e.g. ESP8266 core for Arduino v3.0.2]
• IDE: [e.g. Arduino IDE 1.8.16]

Reproduction
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DynamicJsonDocument doc(1024);

DeserializationError error = deserializeJson(doc, "{\"hello\":\"world\"}");

// insert code here

Program output
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Expected output:

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Actual output:

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[bblanchon]

Hi @longweismile,

No, ArduinoJson doesn't support JSON5 at the moment.

Since several users asked to allow hexadecimal values (#1401, #1686), I plan on adding support for JSON5 input in the form of a new deserializeJson5() function. However, I don't plan on adding JSON5 output.

Best regards, Benoit