@riddle @paul_irish FWIW, http://www.whatwg.org/specs/web-apps/current-work/multipage/rendering.html#phrasing-content-1 defines it.
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@riddle @paul_irish FWIW, http://www.whatwg.org/specs/web-apps/current-work/multipage/rendering.html#phrasing-content-1 defines it.