21 lines
493 B
HTML
21 lines
493 B
HTML
<!DOCTYPE html>
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<!-- Any copyright is dedicated to the Public Domain.
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- http://creativecommons.org/publicdomain/zero/1.0/ -->
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<html>
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<body>
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<details open>
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<summary>outer summary</summary>
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<details>
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<summary>inner summary</summary>
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<p>inner details</p>
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<details open>
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<summary>inner most summary</summary>
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<p>inner most details</p>
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</details>
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</details>
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<p>outer details</p>
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</details>
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</body>
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</html>
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