t / t8005 / euc-japan.txton commit should_pack_ref(): new function, extracted from `files_pack_refs()` (531cc4a)
   1EUC_JAPAN_NAME="»³ÅÄ ÂÀϺ"
   2EUC_JAPAN_MSG="¥Ö¥ì¡¼¥à¤Î¥Æ¥¹¥È¤Ç¤¹¡£"