I can confirm that 10.04 has the same problem.
This pdf : http://jmlr.csail.mit.edu/papers/volume9/banerjee08a/banerjee08a.pdf
Shows up like this : http://img97.imageshack.us/img97/1914/screenshotbanerjeemodel.png
Other symbols are wrong too, infinity symbol for example.
I can confirm that 10.04 has the same problem.
This pdf : http:// jmlr.csail. mit.edu/ papers/ volume9/ banerjee08a/ banerjee08a. pdf
Shows up like this : http:// img97.imageshac k.us/img97/ 1914/screenshot banerjeemodel. png
Other symbols are wrong too, infinity symbol for example.