stretchHoriz2

horizontal arrows

W3C sample	WIRIS
	$g=A\leftarrow x\to H\leftrightarrow H$

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <mi>g</mi>
  <mo>=</mo>
  <mi>A</mi>
  <mo>&#x2190;</mo>
  <mi>x</mi>
  <mo>&#x2192;</mo>
  <mi>H</mi>
  <mo>&#x2194;</mo>
  <mi>H</mi>
</math>

Author: Design Science, Inc. (E. Cannon, E. Tabacman, R.Miner)