,----
|   character: īn (32463, #o77317, #x7ecf)
|     charset: japanese-jisx0208-1978
| 	     (JISX0208.1978 Japanese Kanji (so called "old JIS"): ISO-IR-42.)
|  code point: #x7D #x4F
|      syntax: w 	which means: word
`----

rfc2047-encode fails because mime-charset is '(iso-2022-jp big5):