linebreakNum1

Handling very long numbers -- the number should split across lines if needed.

W3C sample	WIRIS
	$$x+123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890+2+2$$

<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
  <mrow>
    <mi>x</mi>
    <mo>+</mo>
    <mn>123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890</mn>
    <mo>+</mo>
    <mn>2</mn>
    <mo>+</mo>
    <mn>2</mn>
  </mrow>
</math>

Author: Design Science, Inc. (D. Doyle, R.Miner)