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Add a sentence about what canonical JSON is #1468

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merged 2 commits into from Mar 21, 2023
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Add a sentence about what canonical JSON is #1468

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139f67e
Add a sentence about what canoncial JSON is
Cadair Mar 15, 2023
ca14bbd
Add changelog
Cadair Mar 15, 2023
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1 change: 1 addition & 0 deletions changelogs/appendices/newsfragments/1468.clarification
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Clarify that the term "Canonical JSON" is a specific thing within the matrix specification.
6 changes: 5 additions & 1 deletion content/appendices.md
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Expand Up @@ -83,7 +83,11 @@ object.

### Canonical JSON

We define the canonical JSON encoding for a value to be the shortest
To ensure that all implementations use the same JSON encoding we define
"Canonical JSON". This should not be confused with other uses of
"Canonical JSON" outside of the specification.

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]`.
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