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TODO

@@ -19,5 +19,8 @@ Comply with [minium specifications](https://github.com/tldr-pages/tldr/wiki/Mini
     - [x] Clients MUST default to displaying the page associated with the platform on which the client is running.
     - [x] If a page is not available for the host platform, clients MUST fall back to the special common platform.
     - [x] If a page is not found, Clients that have control over their exit code on the command line (i.e. clients that provide a CLI) MUST exit with a non-zero exit code in addition to showing the above message.
-
+    - [ ] If a client has access to environment variables, it MUST use them to derive the preferred user language
+      - [x] The LANG environment variable specifies the user's preferred locale (in the form ll[_CC][.encoding]).
+      - [ ] The LANGUAGE environment variable specifies a priority list of locales (in the form l1:l2:...) that can be used if the locale defined by LANG is not available.
+      - [ ] Both LANG and LANGUAGE may contain the values C or POSIX, which should be ignored.