stretchVert2

Test stretchy/nonstretchy chars

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <mo>|</mo>
  <mi>H</mi>
  <mo>|</mo>
  <mo>+</mo>
  <mo>&#x27E8;</mo>
  <mi>H</mi>
  <mo>&#x2223;</mo>
  <mi>H</mi>
  <mo>&#x27E9;</mo>
</math>

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