Board Thread:Support Requests - Getting Technical/@comment-14779707-20130823125813

I added the following code:

Expecting it to convert into a collapsible list.

However, it didn't work, as you can see here:

http://psiepsilon.wikia.com/wiki/Bosonic_String_Theory?oldid=10290#Polyakov_Action

How can I add such a collapsible list? 