I was on the hunt to find out between

<

em

>

vs.

<

i

>

or

<

strong

>

vs.

<

b

>

was depreciated or not.
Upon further review at w3.org they are all acceptable. At least according to their table located here: http://www.w3.org/TR/html401/index/elements.html. This also includes a list of acceptable attributes.