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Cope with negative-zero, and give an example of negative-zero and a large power of ten (#1573)

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Tony Garnock-Jones 2023-07-04 14:59:37 +02:00 • committed by GitHub
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@ -90,7 +90,8 @@ To ensure that all implementations use the same JSON encoding we define
We define this encoding for a value to be the shortest
UTF-8 JSON encoding with dictionary keys lexicographically sorted by
Unicode codepoint. Numbers in the JSON must be integers in the range
`[-(2**53)+1, (2**53)-1]`.
`[-(2**53)+1, (2**53)-1]`, represented without exponents or decimal
places, and negative zero `-0` MUST NOT appear.
We pick UTF-8 as the encoding as it should be available to all platforms
and JSON received from the network is likely to be already encoded using
@ -304,6 +305,21 @@ The following canonical JSON should be produced:
{"a":null}
```
Given the following JSON object:
```json
{
"a": -0,
"b": 1e10
}
```
The following canonical JSON should be produced:
```json
{"a":0,"b":10000000000}
```
### Signing Details
JSON is signed by encoding the JSON object without `signatures` or keys