> //HTML5 by itself offers very little as it simply defines a few new tags. // He forgot that HTML5 now defines, in detail, error handling, and adds new APIs f

> //HTML5 by itself offers very little as it simply defines a few new tags. // He forgot that HTML5 now defines, in detail, error handling, and adds new APIs for interaction with javascript. Or maybe he's ignoring them. Doesn't sound like he much cares for javascript.