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 Desktop Packages, which is subscribed to language-selector in Ubuntu. https://bugs.launchpad.net/bugs/693767 Title: chek-language-support -l zh does not list all zh locales Status in “language-selector” package in Ubuntu: Won't Fix Bug description: Binary package hint: language-selector I run apt-get install `check-language-support -l zh`. It installs language-pack-zh-* and language-support-*. Afterwards running check-language-support -l zh provides no packages. Meanwhile, running check-language-support (with no arguments) provides: gnome-user-guide-zh language-pack-gnome-zh-hans language-pack-gnome-zh-hant openoffice.org-help-zh-cn openoffice.org-help-zh-tw openoffice.org-l10n-zh-cn openoffice.org-l10n-zh-tw thunderbird-locale-zh-cn thunderbird-locale-zh-tw I would suppose that these packages should also be listed with -l zh option. The bug is found in binary language-selector-common, source language-selector, version 0.5.8. This is Lucid Lynx, 10.04.1. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/language-selector/+bug/693767/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp