Hi,
I have set-up a wiki at http://wiki.x2592.com and installed (among other things) the MathJax extension (https://www.mediawiki.org/wiki/Extension:MathJax). (I originally tried with the Math extension, but did not manage to get it working, despite the fact that all the prerequisites seem to be met.)
MathJax is displaying Tex-encoded equations OK, but not MathML-encoded equations. The greater-than and less-than characters in MathML tags seem to be being converted to the HTML entities &ls and >.
I'm working with a local git checkout of the MathJax package (although the results were identical using their CDN-delivered version), and a one-week-old git checkout of MediaWiki and the extensions repository. The MW MathJax is the version available as of 7 days ago, too.
The invocation string used to call MathJax is:
http://wiki.x2592.com/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML
Examples of equations and other supported content can be seen on the main page of http://wiki.x2592.com, showing the problem, and the page is currently enabled for editing for anyone that feels like dabbling.
It might be useful to add that I started a thread about this in the MathJax discussion group:
https://groups.google.com/forum/#!topic/mathjax-users/ZSVVy0Gs0nY
Is anyone able to help me troubleshoot this and get MathML displaying OK?
Many TIA if so, :-)
-- Dave