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
The optional class core attribute is used to assign one or more classes to the element.
Multiple classes are separated by white space.
The class name is case sensitive (i.e., Stocks and stocks are not the same).
The optional id core attribute is used to assign a unique name to a tag.
The name must be unique to the entire deck and not just unique to a card.
The first character of the name can be a letter or the underscore.
The remaining characters can be any combination of letters, numbers, or underscores.
The optional xml:lang attribute sets the language used in the element, such as English or Greek.
For example, in the U.S. the default value is en-US.
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN"
<card id="card1" title="Card 1">
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