The u element is typically used to apply underline highlighting to the content of the element. This element is part of the highlighting domain. Use this element only when a more semantically appropriate element is not available. For example, for specific items such as GUI controls, use the uicontrol element.
See appendix for information about this element in OASIS document type shells.
+ topic/ph hi-d/u
<p>Beware: <u>overuse</u> <i>of</i> <b>highlighting</b> is sometimes known as font-itis!</p>