Sandbox collapse test
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<details> <summary>Bit detail</summary>
$FFFF8A3B.B Logical Operation, full detail Value Operation 0 all zeros 1 S AND D
</details>
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Summary line stays visible.
<details> <summary>Bit detail</summary>
$FFFF8A3B.B Logical Operation, full detail Value Operation 0 all zeros 1 S AND D
</details>
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