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https://github.com/plougher/squashfs-tools/issues/259
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All SquashFS files begin with "hsqs". None have "sqsh".
https://dr-emann.github.io/squashfs/
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The same magic with higher priority already belongs to
application/x-msdownload, which is a subset of application/x-executable.
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An object file is a collection of compiled machine code which is not at
all like an office document.
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Putting the *.lib glob in application/vnd.microsoft.portable-executable
was a mistake: Windows actually uses the same container format as Unix
for static libraries.
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AppImages contain SquashFS images, but a generic program that opens or
mounts SquashFS files won't be able to find and extract the filesystem
embedded in an AppImage.
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"application/vnd.sun.xml.*" formats are StarOffice 6 / OpenOffice 1.0
XML documents - these are legacy and replaced by ODF.
There is no LibreOffice version 1.0, hence they are called
"OpenOffice.org 1.0 Text Document" etc. by LO itself:
https://git.libreoffice.org/core/+/refs/heads/master/filter/source/config/fragments/types/writer_StarOffice_XML_Writer.xcu
However rename the extension type to "LibreOffice extension", as that is
still actively developed and users will most likely use them with LO now.
Fixes: #141
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- *.ifb: https://www.iana.org/assignments/media-types/text/calendar
- *.icalendar: https://en.wikipedia.org/w/index.php?title=ICalendar&oldid=1218030400
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https://gitlab.com/wireshark/wireshark/-/blob/master/resources/freedesktop/org.wireshark.Wireshark-mime.xml
https://www.ietf.org/archive/id/draft-ietf-opsawg-pcapng-01.html
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https://github.com/search?q=lang:nix&type=code
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helloworld.s was compiled from helloworld.c with GCC.
https://github.com/file/file/blob/be5fac4b0ea34091096c6477c1ed98946c2e7fd2/magic/Magdir/assembler
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OOC is far too different from C for either language to be considered a
subset of the other.
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GIMP supports this image file format. "Cel" is short for "celluloid" and
is not a typo.
The test suite already had a KiSS cel file and says that it is supposed
to be image/x-cel, but I could not find any examples of anyone using
image/x-cel in practice. On the other hand, I did find an example of
image/x-kiss-cel being used and it's a better name anyway because the
.cel file extension is also used for Autodesk Animator cel image files
and Lumena "cell outline" images.
https://gitlab.gnome.org/GNOME/gimp/-/blob/GIMP_2_10_38/plug-ins/common/file-cel.c
https://en.wikipedia.org/wiki/Cel
https://snisurset.net/code/abydos/formats.html
http://justsolve.archiveteam.org/wiki/KiSS_CEL
http://justsolve.archiveteam.org/wiki/Animator_PIC/CEL
http://justsolve.archiveteam.org/wiki/Lumena_CEL
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0x46506978 is the ASCII string "FPix", which was the Macintosh file type
code for FlashPix, but FlashPix files do not start with "FPix". Rather,
they are OLE Compound Storage files that have the root class identifier
{56616700-c154-11ce-8553-00aa00a1f95b}.
https://www.iana.org/assignments/media-types/image/vnd.fpx
http://fileformats.archiveteam.org/wiki/OLE
http://fileformats.archiveteam.org/wiki/FlashPix
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It's not clear whether text/htmlh was meant to be a synonym of
application/vnd.ms-htmlhelp or a subclass of text/html. In either case,
a Google search turned up zero examples of anyone using it.
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Globs are case-insensitive by default, so the glob is redundant with
`*.blend`, and causes the globs files to contain two identical entries
for `*.blend`. (Non-case-sensitive globs get lowercased when generating
globs and globs2.)
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Create a second subclass of `text/x-python`, which specifically
identifies Python 2 scripts in the same way that `text/x-python3`
does Python 3 scripts.
Like `text/x-python3`, `text/x-python2` has more-specific magic
strings at a higher priority than the ones in `text/x-python`.
Both match the `*.py` glob at a lower priority than `text/x-python`.
Basically, if we are able to concretely identify a file as
"Python 2 script" or "Python 3 script", we do. Otherwise, it's just
"Python script", version neither known nor assumed.
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Cython is a superset of Python that requires compilation; it cannot be
directly executed by the Python interpreter.
Cython files are identified by a .pyx, .pxd, or .pxi extension. I have
not seen anyone using .py2x or .py3x to indicate which Python version
the Cython module is compatible with.
https://github.com/github-linguist/linguist/blob/7ca3799b8b5f1acde1dd7a8dfb7ae849d3dfb4cd/lib/linguist/languages.yml#L1398
https://cython.readthedocs.io/en/latest/src/userguide/language_basics.html#cython-file-types
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https://www.iana.org/assignments/media-types/application/vnd.oasis.opendocument.text-master-template
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To avoid misdetection as application/vnd.oasis.opendocument.text.
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https://www.iana.org/assignments/media-types/application/vnd.oasis.opendocument.base
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https://www.iana.org/assignments/media-types/application/vnd.Quark.QuarkXPress
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https://www.iana.org/assignments/media-types/application/vnd.apache.parquet
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text/spreadsheet is not an official IANA media type, but if it were, it
would be a generic type for plaintext spreadsheets such as CSVs and
TSVs. The more specific name application/x-sylk is used by Gnumeric and
others for SYLK files.
https://help.gnome.org/users/gnumeric/stable/sect-file-formats.html.en
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https://web.archive.org/web/20110809071744/http://www.sven.de/librie/Librie/LrfFormat
https://cgit.freedesktop.org/libreoffice/core/tree/filter/source/config/fragments/types/writer_BroadBand_eBook.xcu?h=libreoffice-24.2.3.1
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application/docbook+xml is the correct type according to the OASIS
standard, whereas application/x-docbook+xml is not part of any standard.
https://docs.oasis-open.org/docbook/specs/docbook-5.0-spec-os.html#media-type-registration
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Game card format adapted from:
https://switchbrew.org/wiki/XCI
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These languages are much too different for any one of them to be
considered a subset of another.
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Almost all C code is also C++ or Objective-C code, but the reverse is
rarely true. All C++ and Objective-C code is also Objective-C++ code.
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Since this is a legacy format, default to application/sdp when matching
by file name.
https://www.openoffice.org/framework/documentation/mimetypes/mimetypes.html
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Types that start with application/vnd.stardivision are for StarOffice 5
and types that start with application/x-star are for StarOffice 4. The
StarOffice 3 formats are similar to the StarOffice 4 formats and I have
not found any distinct MIME type for them. StarOffice 2 used the same
file extensions but entirely different file formats that are not based
on OLE Compound Storage.
Also separate StarWriter master documents from ordinary StarWriter
documents because the two have distinct file formats.
https://www.openoffice.org/framework/documentation/mimetypes/mimetypes.html
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And try not to conflict with Markdown files.
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ROMs that use the SSF mapper such as the Sega Channel Revival ROMs would
not get detected by the current magic.
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StarOffice Mail is unlikely to be used in modern contexts, so
deprioritise *.smd as its glob.
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Add mime-type for STEP 3D models as per Wikipedia page:
https://en.wikipedia.org/wiki/ISO_10303-21
Note that this doesn't include support for STEP-XML files
(https://en.wikipedia.org/wiki/ISO_10303-28) as it's a separate
filetype.
STEP+ZIP was ommitted because of the lack of information and examples
about the format.
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Closes #224
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https://rzip.samba.org/
Also add application/x-rzip-compressed-tar.
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These two are not official IANA media types, but they can be found in
the wild.
Wine currently supports .msp files and may gain support for .msu files
in the future.
https://forums.ivanti.com/s/sfsites/c/sfc/servlet.shepherd/document/download/0694O00000J7pyUQAR
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Most OLE file formats include a 128-bit root class identifier somewhere
after the 592nd byte.
StarImpress files are essentially bundles of StarDraw files, hence the
need to give the StarImpress magic higher priority.
http://fileformats.archiveteam.org/wiki/OLE
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The application/prs.wavefront-obj mime-type is also used by applications
like Cura and cargo-culted into other slicers.
Declare this alias so it's equivalent to the canonical model/obj.
See https://en.wikipedia.org/wiki/Wavefront_.obj_file
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