http://www.whatwg.org/specs/web-apps/current-work/multipage/tokenisation.html#tag-name0
The "tag name" state has the "EOF" entry in a weird place -- in other states, "EOF" comes before "Anything else", but in this one it comes between "U+0041 LATIN CAPITAL LETTER A through to U+005A LATIN CAPITAL LETTER Z" and "U+002F SOLIDUS (/)". Putting it in the same place as it is in other states would be nice. A