MathML3 specification example
<math xmlns="http://www.w3.org/1998/Math/MathML"> <mstack stackalign="right"> <msrow> <mo>.</mo> <none/> <none/> <none/> <none/> <mo>.</mo> </msrow> <mn>0.142857</mn> </mstack> </math>
Author: MathML3