LANG , 未完

LANG=”C”
LANGUAGE=”C”

LANGUAGE=C LC_MESSAGES=C leafpad → 英文介面
LANGUAGE=C LC_MESSAGES=zh_TW.UTF-8 leafpad → 英文介面
LANGUAGE=zh_TW.UTF-8 LC_MESSAGES=C leafpad → 英文介面
LANGUAGE=zh_TW.UTF-8 LC_MESSAGES=zh_TW.UTF-8 leafpad → 中文介面