On Thu, Apr 14, 2011 at 10:02 AM, Jukka K. Korpela <[email protected]> wrote: > Looking at the nice summary (with examples) of text-level markup at > http://www.whatwg.org/specs/web-apps/current-work/multipage/text-level-semantics.html#usage-summary > I started wondering why there is no example of markup for symbols of > physical quantities. The descriptions of individual elements or their > examples don't seem to say anything about this either. > > So what markup should we use for E = mc², given that by the applicable > standards, E, M, and c should appear in italics and the other characters as > normal (upright)?
Those three characters are typeset, read, and otherwise presented identically to variables, so the correct tag is <var>. Perhaps the spec could be clearer on this point.
