I solved this problem for myself by installing IBus.
IBus is not installed by default in Xubuntu 14.04.
(I then had to configure Xfce to use IBus via Settings -> Input Method, and then logout/login.)
I solved this problem for myself by installing IBus.
IBus is not installed by default in Xubuntu 14.04.
(I then had to configure Xfce to use IBus via Settings -> Input Method, and then logout/login.)