Stores lightweight translations for user-facing messages. Extend this list with new language codes (e.g., "pt", "es") as needed.
.msg_env.msg_load(lang, msg_lst)
.msg(key, ..., lang = getOption("lang", "en"))
An object of class environment of length 1.
Language override; defaults to getOption("lang", "en").
Named character vector/list of message templates.
Message identifier to retrieve.
Optional sprintf arguments.