ISO_2022_JP_1     174 ext/nkf/nkf-utf8/nkf.c     {ISO_2022_JP_1,	"ISO-2022-JP-1",	&NkfEncodingISO_2022_JP},
ISO_2022_JP_1     221 ext/nkf/nkf-utf8/nkf.c     {"ISO-2022-JP-1",		ISO_2022_JP_1},
ISO_2022_JP_1    1247 ext/nkf/nkf-utf8/nkf.c     case ISO_2022_JP_1:
ISO_2022_JP_1    1378 ext/nkf/nkf-utf8/nkf.c     case ISO_2022_JP_1: