<rt>
Description
This element is used with the <ruby>
element.
The text following <rt> appears as
a note to the base text displayed by the <ruby> element.
Example
<html>
<body>
<ruby>
<span>This is the base text.</span>
<rt>
<span>This is the ruby text</span>
</rt>
</ruby>
</body><!-- w w w.j a va 2s. c om-->
</html>
The code above generates the following result.
