Steps to replicate the issue (include links if applicable):
- Set MathrenderingMode to MathML
- <math>A \xleftarrow{n+\mu-1} B \xrightarrow[T]{n\pm i-1} C</math>
What happens?:
Rendered as
What should have happened instead?:
With client-side mathjax rendered as
Software version (on Special:Version page; skip for WMF-hosted wikis like Wikipedia):
Other information (browser name/version, screenshots, etc.):
Chrome, windows
Example from https://en.wikipedia.beta.wmflabs.org/wiki/Help:MathTestNative#Subscripts,_superscripts,_integrals

