* 仕様書

[REFS[
- [1] [CITE[MIME Sniffing Standard]]
([TIME[2015-02-25 09:53:00 +09:00]] 版)
<https://mimesniff.spec.whatwg.org/#font-type>
]REFS]

* 意味

[8] [DFN[[RUBYB[フォントMIME型]@en[font MIME type]]]]は、
[F[型]]が [CODE[font][font/*]] である [[MIME型]]と、
[F[essence]] が次のいずれかである [[MIME型]]です [SRC[>>1]]。

- [CODE[application/font-ttf]]
- [CODE[application/font-cff]]
- [CODE[application/font-off]]
- [CODE[application/font-sfnt]]
- [CODE[application/vnd.ms-opentype]]
- [CODE[application/font-woff]]
- [CODE[application/vnd.ms-fontobject]]

;; [46] [[JSON]] 形式の一覧データファイルがあります。
[REFS[
- [47] [CITE@en[data-web-defs/mime-types.txt at master · manakai/data-web-defs]] ([TIME[2016-04-06 21:39:51 +09:00]] 版) <https://github.com/manakai/data-web-defs/blob/master/doc/mime-types.txt>
-- [48] ドキュメント: [CITE@en[data-web-defs/mime-types.json at master · manakai/data-web-defs]] ([TIME[2016-04-06 21:39:29 +09:00]] 版) <https://github.com/manakai/data-web-defs/blob/master/data/mime-types.json>
]REFS]

* 歴史

[2] [CITE@en[Font MIME types]]
([[Anne van Kesteren]] 著, [TIME[2015-04-03 17:52:19 +09:00]] 版)
<https://lists.w3.org/Archives/Public/www-style/2015Apr/0027.html>

[3] [CITE[Web Font Media Type Analysis - Google ドキュメント]]
([TIME[2015-04-04 11:33:03 +09:00]] 版)
<https://docs.google.com/document/d/1kP3Edo3nDN_2HS6IZK6DMnrvEG1StbY5OKmbwA1ilXI/edit>

[4] [CITE[Web Font Media Type Analysis 2015 - Google ドキュメント]]
([TIME[2015-04-04 11:51:20 +09:00]] 版)
<https://docs.google.com/document/d/1Tsju6EOP4LqJ1RcFJRpqxryggbWZYbq5jvsIhVYNoyU/edit>

[5] [CITE@en[RE: Font MIME types]]
([[Levantovsky, Vladimir]] 著, [TIME[2015-04-06 23:07:09 +09:00]] 版)
<https://lists.w3.org/Archives/Public/www-style/2015Apr/0048.html>

[6] [CITE@en[Re: Font MIME types]]
([[Anne van Kesteren]] 著, [TIME[2015-04-13 19:37:27 +09:00]] 版)
<https://lists.w3.org/Archives/Public/www-style/2015Apr/0224.html>

[FIG(quote)[
[FIGCAPTION[
[7] [CITE@en[Re: Font MIME types]]
([[Chris Lilley]] 著, [TIME[2015-04-23 02:04:40 +09:00]] 版)
<https://lists.w3.org/Archives/Public/www-style/2015Apr/0334.html>
]FIGCAPTION]

> When @font-face
> was being designed, it was originally intended to use a new font/* top
> level type. At that time there was fierce objection from IETF/IANA to
> this idea and so we worked around that with the format descriptor.

]FIG]


[9] [CITE@en[Define a new MIME type model, parser, and serializer]]
([[annevk]]著, [TIME[2017-12-07 22:11:12 +09:00]])
<https://github.com/whatwg/mimesniff/commit/cc81ec48288944562c4554069da1d74a71e199fb>

[10] [CITE@en[Update font types list and sniffing]]
([[domenic]]著, [TIME[2018-02-06 06:09:50 +09:00]])
<https://github.com/whatwg/mimesniff/commit/e29b9f4a22843bf6c7f0177223b0147bc03e37f7>

[11] [CITE@en[How to handle undocumented font mime type · Issue #27 · whatwg/mimesniff]]
([TIME[2018-02-11 18:48:23 +09:00]])
<https://github.com/whatwg/mimesniff/issues/27>

[12] [CITE@en[Reflect RFC 8081 about font MIME type · Issue #23 · whatwg/mimesniff]]
([TIME[2018-02-11 18:49:15 +09:00]])
<https://github.com/whatwg/mimesniff/issues/23>

[13] [CITE@en[Support for WOFF File Format 2.0 · Issue #28 · whatwg/mimesniff]]
([TIME[2018-02-11 18:50:47 +09:00]])
<https://github.com/whatwg/mimesniff/issues/28>

[14] [CITE@en[Update font types list and sniffing by domenic · Pull Request #57 · whatwg/mimesniff]]
([TIME[2018-02-11 18:51:46 +09:00]])
<https://github.com/whatwg/mimesniff/pull/57>