an xml value can be anything, its up to as xml is not a semantic language like html.

The <i> tag in HTML is used to offset text that should be displayed in italics. It's a carry-over from early versions of HTML, as its purpose is solely presentational and not semantic.

In most cases, the use of the emphasis tag <em> is encouraged in its place.

The Semantic Web gives data a common framework of the World Wide Web. It allows the data to be shared and applications referring to the Semantic Web increase daily. Most content is presented in HTML.

semantic: