[1] 
,"[[MIME]]",[CODE(MIME)@en[[[Content-Convert]]:]],変換情報,"[[IETF]][[提案標準]], [[IANA]] ''未''登録","[[RFC 4141]]"
,"[[MIME]]",[CODE(MIME)@en[[[Content-Previous]]:]],変換前の[[特徴]],"[[IETF]][[提案標準]], [[IANA]] ''未''登録","[[RFC 4141]]"

[2] [CITE@en[rfc4141]], [TIME[2021-07-14T03:32:56.000Z]] <https://datatracker.ietf.org/doc/html/rfc4141>

[3] [CITE[RFC Errata Report » RFC Editor]], [TIME[2021-07-14T03:36:30.000Z]] <https://www.rfc-editor.org/errata_search.php?rfc=4141&rec_status=0>