problem typing khmer vowels in Ubuntu

Currently Ubuntu 11.x does not allow for all Khmer vowels to be correctly typed.  If you’ve had trouble typing Khmer in Ubuntu, try this solution and see if it works – it should allow the NiDA keyboard that comes with Ubuntu to be fully used. Here’s how it can be fixed: 1. Type sudo gedit /etc/environment 2. Add a line GTK_IM_MODULE=xim 3. Save and close. 4.Then in terminal type: sudo gedit /usr/share/X11/locale/en_US.UTF-8/Compose 5. Gedit should open, search for Khmer and make sure the following exists (if not, copy and paste it in): # # Khmer digraphs # <U17ff> : “ាំ”…