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#point:after{
content:"\0022A";
}
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<p>Uppercase O Diaeresis and Macron using Hexa Decimal: Ȫ</p>
<p>Uppercase O Diaeresis and Macron using HTML Code: Ȫ</p>
<p id="point">Uppercase O Diaeresis and Macron using CSS Entity: </p>
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