content-mathml.js modifies Presentation MathML (badly) [WAS: 2.5-beta: `content-mathml.js` and `mml3.js` clash]
If both extensions are loaded, I get rendering issues.
<math xmlns="http://www.w3.org/1998/Math/MathML">
<mstack>
<mscarries crossout="downdiagonalstrike">
<mn>2</mn> <mn>12</mn> <mscarry crossout="none"> <none/> </mscarry>
</mscarries>
<mn>2,327</mn>
<msrow> <mo>-</mo> <mn> 1,156</mn> </msrow>
<msline/>
<mn>1,171</mn>
</mstack>
</math>
turned into
<math xmlns="http://www.w3.org/1998/Math/MathML">
<mtable columnspacing="0em">
<mtr>
<mtd>
<mover>
<mphantom>
<mn>0</mn>
</mphantom>
<mi>mpadded</mi>
</mover>
</mtd>
<mtd>
<mn>2</mn>
</mtd>
<mtd>
<mn>,</mn>
</mtd>
<mtd>
<mover>
<menclose notation="downdiagonalstrike">
<mn>3</mn>
</menclose>
<mpadded width="0em" lspace="-0.5width">
<mn>2</mn>
</mpadded>
</mover>
</mtd>
<mtd>
<mover>
<menclose notation="downdiagonalstrike">
<mn>2</mn>
</menclose>
<mpadded width="0em" lspace="-0.5width">
<mn>12</mn>
</mpadded>
</mover>
</mtd>
<mtd>
<menclose notation="none">
<mn>7</mn>
</menclose>
</mtd>
</mtr>
<mtr>
<mtd>
<menclose notation="bottom">
<mpadded depth=".1em" height="1em" width=".4em">
<mo>-</mo>
</mpadded>
</menclose>
</mtd>
<mtd>
<menclose notation="bottom">
<mpadded depth=".1em" height="1em" width=".4em">
<mn>1</mn>
</mpadded>
</menclose>
</mtd>
<mtd>
<menclose notation="bottom">
<mpadded depth=".1em" height="1em" width=".4em">
<mn>,</mn>
</mpadded>
</menclose>
</mtd>
<mtd>
<menclose notation="bottom">
<mpadded depth=".1em" height="1em" width=".4em">
<mn>1</mn>
</mpadded>
</menclose>
</mtd>
<mtd>
<menclose notation="bottom">
<mpadded depth=".1em" height="1em" width=".4em">
<mn>5</mn>
</mpadded>
</menclose>
</mtd>
<mtd>
<menclose notation="bottom">
<mpadded depth=".1em" height="1em" width=".4em">
<mn>6</mn>
</mpadded>
</menclose>
</mtd>
</mtr>
<mtr>
<mtd>
<mi>mtd</mi>
</mtd>
<mtd>
<mn>1</mn>
</mtd>
<mtd>
<mn>,</mn>
</mtd>
<mtd>
<mn>1</mn>
</mtd>
<mtd>
<mn>7</mn>
</mtd>
<mtd>
<mn>1</mn>
</mtd>
</mtr>
</mtable>
</math>
See also http://jsbin.com/hebumulexa/2/edit