FLY><p>some<sup><a href="" style="user-select: none">1</a></sup> text</p>
FLY>

<style>
[unselectable=on]  {
-webkit-touch-callout:none;
-webkit-user-select:none;
-khtml-user-select: none;
-moz-user-select:none;
-ms-user-select:none;
user-select:none;
}
</style>
<p>some<sup><a href="" unselectable="on">1</a></sup> text</p>