On my phpbb board, I can't see to be able to post the '+' character. In a new post it works, but when I go to "Edit" and save, all the '+' are removed. Any idea what should I do about this?
e.g. If i post 2+3=5 in posting. Then go edit and post 3+3=6, it will output 3 3 = 6 after editing.