t / t8005 / euc-japan.txton commit worktree: teach "add" to check out existing branches (f60a7b7)
   1EUC_JAPAN_NAME="»³ÅÄ ÂÀϺ"
   2EUC_JAPAN_MSG="¥Ö¥ì¡¼¥à¤Î¥Æ¥¹¥È¤Ç¤¹¡£"