FA-100238 / Annotation span alignment / Member archive
Serialized end offsets remain exclusive · case 03
Serialized end offsets remain exclusive.
Case contract
Serialize nonempty half-open spans [start,end) as [start,end-1,label]; omit empty spans.
Why this case matters
A small offline annotation transformation keeps span coordinates explicit when text or token boundaries change.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| ordinary span | [[0, 3, "x"]] | [[0, 2, "x"]] | Failed |
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