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<discarded>discarded</discarded>
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<discarded>discarded</discarded>
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<child2>content2</child2>
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<preserved>too</preserved>
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<child2>content3</child2>
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<child2>content4</child2>
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<child2>content5</child2>
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<discarded>discarded</discarded>
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This text node must be discarded
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This text node must be discarded
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<discarded>discarded</discarded>
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This text node must be discarded