An abbreviation is marked up as follows:
The <abbr> tag is supported in all major browsers.
Note: The <abbr> tag is not supported in IE 6 or earlier versions.
The <abbr> tag indicates an abbreviation or an acronym, like "WWW" or "NATO".
By marking up abbreviations you can give useful information to browsers, spell checkers, translation systems and search-engine indexers.
Tip: The global title attribute can be used in the <abbr> tag to show the full version of the abbreviation/acronym when you mouse over the <abbr> element.
The <abbr> tag also supports the Global Attributes in HTML.
The <abbr> tag also supports the Event Attributes in HTML.
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