This is because for Chinese it makes a major difference in which territory you are. E. g. zh_CN uses simplified Chinese, while zh_TW uses traditional Chinese, and both have different language support packages.
** Changed in: language-selector (Ubuntu) Status: New => Won't Fix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/693767 Title: chek-language-support -l zh does not list all zh locales To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/language-selector/+bug/693767/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs