t / t8005 / euc-japan.txton commit t/test-lib-functions.sh: allow to specify the tag name to test_commit (4c99419)
   1EUC_JAPAN_NAME="»³ÅÄ ÂÀϺ"
   2EUC_JAPAN_MSG="¥Ö¥ì¡¼¥à¤Î¥Æ¥¹¥È¤Ç¤¹¡£"