Linux 上字体相关的环境变量
gettext 的优先级:
LANGUAGELC_ALLLC_xxx, according to selected locale category:LC_CTYPE,LC_NUMERIC,LC_TIME,LC_COLLATE,LC_MONETARY,LC_MESSAGES, …LANG算是一个 fallback
$LANGUAGEis not part of the C locales, but specific to GNU gettext. If set it is given precedence over anything else.
所以设置 LANGUAGE 不通用,设置 LC_ALL 高优先级,如果系统里面什么都没有设置,LANG 就足够了。