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Clarify that key comparison is ordinal #993

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Clarify that key comparison is ordinal #993

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c3c6ab1
Clarify that key comparison is ordinal (closes #966)
marzer Sep 27, 2023
27cc1d4
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Sep 27, 2023
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@
- Seconds in Date-Time and Time values are now optional.
- Allow non-English scripts in unquoted (bare) keys
- Clarify newline normalization in multi-line literal strings.
- Clarify that key comparison is ordinal (i.e. does no Unicode normalization)

## 1.0.0 / 2021-01-11

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14 changes: 14 additions & 0 deletions toml.md
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Expand Up @@ -205,6 +205,20 @@ spelling = "favorite"
"spelling" = "favourite"
```

Keys are considered identical if their code point sequences are the same. It is
possible to create distinct keys that appear visually identical. Doing so is
discouraged:

```toml
# VALID BUT DISCOURAGED

# prénom = "Françoise", using NFC
"pr\u00e9nom" = "Françoise"

# prénom = "Françoise", using NFD
"pr\u0065\u0301nom" = "Françoise"
```

As long as a key hasn't been directly defined, you may still write to it and to
names within it.

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