TAG:  dfn
<dfn> ... </dfn>
 
The dfn tag applies an oblique font style to the enclosed word or phrase. It is common practice in engineering, scientific, and technical articles to specially mark the first occurrence of a term.
 
The separate closing tag is mandatory.
 
Attributes and Events
 
class    dir    id    lang    onclick    ondblclick    onkeydown    onkeypress    onkeyup    onmousedown    onmousemove    onmouseout    onmouseover    onmouseup    style    title
 
Code:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "DTD/xhtml-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="eng">
<head>
<title>DevGuru XHTML dfn Tag Example</title>
</head>
<body>
<dfn>HTML</dfn> is the acronym for the Hyper Text Markup Language.
</body>
</html>
 
Output:
HTML is the acronym for the Hyper Text Markup Language.

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