rgommers: Well I can change it back, or whatever you want.  I forget that this is a problem for plain text terminals, since I'm either viewing docs on the web or in Spyder, which strips out the math tags:

![spyder](https://f.cloud.github.com/assets/58611/473500/01f8558e-b74f-11e2-8c0e-da64ce3d942f.png)

Looks like there are some half-baked plans to do this in IPython too:

http://python.6.x6.nabble.com/IPython-User-Pretty-rendering-of-docstrings-td5003265.html

pv: For checking the latex itself, you can paste it into http://www.texrendr.com/.  For making sure the math tags are working correctly, I don't know.