add note about how MIME types are detected

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Kovid Goyal 2022-12-03 08:35:58 +05:30
parent 0b293428c4
commit fa6527cdf3
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@ -103,7 +103,8 @@ lines. The various available criteria are:
Useful if your system MIME database does not have definitions you need. This
file is in the standard format of one definition per line, like:
``text/plain rst md``. Note that the MIME type for directories is
``inode/directory``.
``inode/directory``. MIME types are detected based on file extension, not
file contents.
``ext``
A comma separated list of file extensions, for example: ``jpeg, tar.gz``