I should have included a location reference just in case you don't see the problem, though so far it seems consistently reproducible. The first unrendered equation appears after "can be written".
Also, I checked with IE (*ugh*) and IE also renders it correctly. Only failure here is Firefox under Ubuntu. -- Firefox equation rendering problem in Ubuntu Dapper Drake https://launchpad.net/bugs/51807 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs