[1] ( ([TIME[2016-05-17 03:36:00 +09:00]]))
<https://www.iana.org/assignments/media-types/image/emf>

[2] [CITE@en[RFC 7903 - Windows Image Media Types]]
([TIME[2016-10-02 22:24:12 +09:00]])
<https://tools.ietf.org/html/rfc7903>