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Make seconds optional in Date-Time and Time #894

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Merged
merged 4 commits into from
Jul 30, 2022
Merged

Make seconds optional in Date-Time and Time #894

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3adb434
Make partial-time seconds optional
eksortso May 3, 2022
a7dd010
Update CHANGELOG.md
eksortso May 3, 2022
9751f73
Clarify that zero seconds will be assumed
eksortso May 11, 2022
9e892dc
Merge branch 'main' into i671_seconds_optional
eksortso Jul 30, 2022
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -7,6 +7,7 @@
* Clarify where and how dotted keys define tables.
* Add new `\e` shorthand for the escape character.
* Add \x00 notation to basic strings.
* Seconds in Date-Time and Time values are now optional.

## 1.0.0 / 2021-01-11

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2 changes: 1 addition & 1 deletion toml.abnf
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Expand Up @@ -176,7 +176,7 @@ time-secfrac = "." 1*DIGIT
time-numoffset = ( "+" / "-" ) time-hour ":" time-minute
time-offset = "Z" / time-numoffset

partial-time = time-hour ":" time-minute ":" time-second [ time-secfrac ]
partial-time = time-hour ":" time-minute [ ":" time-second [ time-secfrac ] ]
full-date = date-fullyear "-" date-month "-" date-mday
full-time = partial-time time-offset

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20 changes: 20 additions & 0 deletions toml.md
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Expand Up @@ -554,6 +554,14 @@ time with a space character (as permitted by RFC 3339 section 5.6).
odt4 = 1979-05-27 07:32:00Z
```

One exception to RFC 3339 is permitted: seconds may be omitted, in which case
`:00` will be assumed. The offset immediately follows the minutes.

```toml
odt5 = 1979-05-27 07:32Z
odt6 = 1979-05-27 07:32-07:00
```

Millisecond precision is required. Further precision of fractional seconds is
implementation-specific. If the value contains greater precision than the
implementation can support, the additional precision must be truncated, not
Expand All @@ -573,6 +581,12 @@ ldt1 = 1979-05-27T07:32:00
ldt2 = 1979-05-27T00:32:00.999999
```

Seconds may be omitted, in which case `:00` will be assumed.

```toml
ldt3 = 1979-05-27T07:32
```

Millisecond precision is required. Further precision of fractional seconds is
implementation-specific. If the value contains greater precision than the
implementation can support, the additional precision must be truncated, not
Expand Down Expand Up @@ -602,6 +616,12 @@ lt1 = 07:32:00
lt2 = 00:32:00.999999
```

Seconds may be omitted, in which case `:00` will be assumed.

```toml
lt3 = 07:32
```

Millisecond precision is required. Further precision of fractional seconds is
implementation-specific. If the value contains greater precision than the
implementation can support, the additional precision must be truncated, not
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