This problem still exists in Edgy (final). If you do an English install, you will be unable to input CJK in applications.
Using the steps in this guide, I can always get it to work. http://www.ubuntuforums.org/archive/index.php/t-27811.html -- [Dapper] language-support-"any CJK language" doesn't set up a way to input this language with scim if the session doesn't correspond to this particular CJK (Chinese, Japanese or Korean) language https://launchpad.net/bugs/34282 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs