The u tag cause the specified text to be underlined.
Although WML is a small language, there are seven tags that can affect the appearance of a character or text (b, big, em, i, small, strong, and u).
Nested Tags: a anchor b big br em i img small strong table u
<?xml version="1.0"?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN"
"http://www.WAPforum.org/DTD/wml_1.1.xml">
<wml>
<card id="card1" title="Card 1">
<p>
<u><b>DevGuru</b></u>
</p>
<p>
<u>is great!</u>
</p>
</card>
</wml>This example demonstrates the use of the u tag to display the text 'DevGuru' in bold and underlined and the text 'is great!' underlined.