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      document.execCommand('InsertNewlineInQuotedContent');
      document.write("Test passes if it does not crash.");
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    document.execCommand('SelectAll');
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    document.execCommand('Copy');
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    let animation = new Animation();
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    await animation.ready;
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    document.execCommand('PasteAsQuotation');
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    document.execCommand('InsertUnorderedList');
    await new Blob().arrayBuffer();
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