failed

maction-06

Once you place mouse pointer over math expression below you should see its alternative presentation

W3C sample WIRIS
100 m / s 360 km/h
<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
  <maction actiontype="tooltip">
    <mrow>
      <mn>100</mn>
      <mtext>m</mtext>
      <mo>/</mo>
      <mtext>s</mtext>
    </mrow>
    <mrow>
      <mtext>360 km/h</mtext>
    </mrow>
  </maction>
</math>

Author: George Chavchanidze, Opera Software ASA