href1

test of href attribute on the math tag

W3C sample	WIRIS
	$ⅇ^{ⅈ π} + 1 = 0$

<math xmlns="http://www.w3.org/1998/Math/MathML" href="http://en.wikipedia.org/wiki/Euler%27s_identity">
  <mrow>
    <mrow>
      <msup>
        <mi>&#8519;</mi>
        <mrow>
          <mi>&#8520;</mi>
          <mi>&#960;</mi>
        </mrow>
      </msup>
      <mo>+</mo>
      <mn>1</mn>
    </mrow>
    <mo>=</mo>
    <mn>0</mn>
  </mrow>
</math>

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