Update comicbook file extensions #24
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cb7, cba, cbr, cbt and cbz all refer to different types of digital comicbooks. The last letter of the extension indicates the compression algorithm that was used: 7zip, arc, rar, tar or zip. All these filetypes used to have the `application/x-cbr` MIME type assigned to them. However, that has since been deprecated and was replaced with - `application/vnd.comicbook-rar` for rar compressed files and - `application/vnd.comicbook+zip` for rar compressed files. Only these two are officially listed by IANA https://www.iana.org/assignments/media-types/application/vnd.comicbook+zip . cbr and cbz are by far the most common file extensions for comicbooks. There's no official MIME type for cb7, cba or cbt files. However, with rar being a proprietary compression algorithm, FOSS applications will often refuse to handle files that identify themselves as `application/x-cbr`, so I decided to assign extension specific MIME types to them. I've seen these being used by other applications, specifically comic book readers. I've read through the docs on iana.org, but haven't figured out why they chose `-rar`, but `+zip`. This fixes khellang#23.
khellang
requested changes
Mar 26, 2024
| { "cbr", "application/x-cbr" }, | ||
| { "cbt", "application/x-cbr" }, | ||
| { "cbz", "application/x-cbr" }, | ||
| { "cb7", "application/x-cb7" }, |
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This file is generated based on https://github.com/jshttp/mime-db and metadata changes should be submitted upstream before re-generating this file.
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Thanks for explaining and sorry for my late response. I've opened up an issue upstream, because I'm not good enough with JS to fix it myself.
|
See jshttp/mime-db#321. |
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cb7, cba, cbr, cbt and cbz all refer to different types of digital comicbooks. The last letter of the extension indicates the compression algorithm that was used: 7zip, arc, rar, tar or zip.
All these filetypes used to have the
application/x-cbrMIME type assigned to them. However, that has since been deprecated and was replaced withapplication/vnd.comicbook-rarfor rar compressed files andapplication/vnd.comicbook+zipfor rar compressed files.Only these two are officially listed by IANA
https://www.iana.org/assignments/media-types/application/vnd.comicbook+zip
. cbr and cbz are by far the most common file extensions for comicbooks.
There's no official MIME type for cb7, cba or cbt files. However, with rar being a proprietary compression algorithm, FOSS applications will often refuse to handle files that identify themselves as
application/x-cbr, so I decided to assign extension specific MIME types to them. I've seen these being used by other applications, specifically comic book readers.I've read through the docs on iana.org, but haven't figured out why they chose
-rar, but+zip.This fixes #23.