New F3 Screen Shows "Feet" when it should show "Metres"

According to this post (http://notch.tumblr.com/post/443693773/the-world-is-bigger-now), as well as generally how things are sized in the game, the world uses the metric system. However, the new F3 screen shows coordinates in feet (see http://i.imgur.com/rL8lIwf.jpg).