Clone in a terminal:
birdfont.xml
<?xml version="1.0" encoding="UTF-8"?>
<mime-info xmlns="http://www.freedesktop.org/standards/shared-mime-info">
    <mime-type type="application/birdfont">
    <comment>BirdFont file</comment>
    <comment xml:lang="en">Font</comment>
    <magic priority="100">
        <match type="string" value="&lt;font" offset="1"/>
    </magic>
    <glob pattern="*.bf" />
    <alias type="application/birdfont"/>
  </mime-type>
</mime-info>

Contact

Email: johan.mattsson.m@gmail.com
Mastodon: typo.social/@birdfont
GitHub: johanmattssonm
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