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<script type="text/javascript" src="longhoversup.js?period=4000&from=-&to=++"></script>
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<p>This one's + does not change<sup title='Sup that does not change'>+</sup></p>
<p>This one's - does change to ++ with a long hover<sup id=mysup2 title='Sup that changes'>-</sup></p>
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