Changes in HTML 5 - <li> Tag

What's new in HTML 5

The value attribute, which was removed from HTML 4 and XHTML, has been resurrected in HTML 5.

Differences between HTML 5 and earlier versions of HTML

The following attributes should not be coded on the <li> tag because they either have been deprecated or were never officially supported:

The 2000-2010 Recommendations from the W3C HTML Working Group defined the HTML namespace for the li element type name along with the names of all HTML element types. In older (pre-2000) versions of HTML, element type names were not associated with a namespace.