gettext
An pure Common Lisp implementation of gettext runtime. gettext is an internationalization and localization (i18n) system commonly used for writing multilingual programs on Unix-like computer operating systems.
$ area51 add gettextCopyUsage
;; area51 add updates your .asd automatically.
;; Use the package in your code:
(in-package :my-project)
(gettext:some-function ...)