<unit> – physical quantity

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Description: Inserts a physical quantity, see Almost LaTeX formulae.

<unit>3 m</unit>

yields in LaTeX `$3$\,m'. So it guarantees a neat skip between number and unit, and for configurations with different fonts for number in- and outside mathematics it chooses the correct one. Further advantage: Things like

The gravitational constant is
<unit>6.672&middot;10^{-11} m^3 kg^{-1} s^2</unit>.

(notice the spaces!) yields

The gravitational constant is
.

So, units in upshape with small skips inbetween. You must assure that the first space is between the number and the unit, or alternatively you must put a `~' between number and unit.

For the explicit namespace see <m> above. It makes it possible to be used inside MathML's <math>.