test for wikipedia mode

1. javascript(){{

<script type="text/x-mathjax-config"> MathJax.Hub.Config({

   tex2jax: {inlineMath: [ ['$','$'], ["\\(","\\)"] ], processEscapes: true },
   TeX: { Macros: {L: '\\Large\\displaystyle'}}});  </script>

<script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS_HTML"></script> }}

$$\mu$$