Alternatives:	(mml file)  (full) (simple) (plain) (form) (slideshow)
File:	Presentation/GeneralLayout/mpadded/mpadded-voffset3
CVS-ID:	$Id: mpadded-voffset3-full.xhtml,v 1.34 2012/02/14 14:52:13 polx Exp $
Author:	Robert Miner, Design Science, Inc.
Description:	mpadded with background, negative voffset attribute value
Sample Rendering:

Your browser's rendering:

Source Code:

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <mi>H</mi>
  <mstyle mathbackground="yellow">
    <mpadded voffset="-4pt">
      <mi>x</mi><mo>+</mo><mi>y</mi>
    </mpadded>
  </mstyle>
  <mfrac>
    <mn>1</mn>
    <mn>2</mn>
  </mfrac>
</math>