[whatwg] [canvas] letter-spaceing

In this version of the canvas spec, http://www.whatwg.org/specs/web-apps/current-work
which as far as I know of is the new one being worked on, there are two mentions of letter-spacing but no way to set the letter-spacing.
If you take a look at http://www.whatwg.org/specs/web-apps/current-work/#text-styles it has the same properties as it did before.
It seems like this is already being thought about but just not yet formalized.

-Tyler Larson