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docs: Use 'unknown' instead of '?' for YesNoSome in SCHEMA.md #214

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kvdblom merged 1 commit into from
Oct 16, 2026
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docs: Use 'unknown' instead of '?' for YesNoSome in SCHEMA.md #214

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2 changes: 1 addition & 1 deletion SCHEMA.md
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Expand Up @@ -302,7 +302,7 @@ Used by `Variable.dim`, `Constraint.number`, `Problem.instances`.

### YesNoSome

Three-valued flag: `yes | no | some | ?` (the last serialises as the literal `'?'` string, meaning unknown).
Three-valued flag: `yes | no | some | unknown`.
`some` captures the common case where *part* of something has some property.
For example only some constraints might hard but we don't know the exact number of hard and soft constraints, only the total number.

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