limit
<math xmlns="http://www.w3.org/1998/Math/MathML"> <apply> <limit/> <bvar> <ci>x</ci> </bvar> <lowlimit> <cn>0</cn> </lowlimit> <apply> <sin/> <ci>x</ci> </apply> </apply> </math>
Author: Design Science, Inc. (E. Cannon, E. Tabacman, R.Miner)