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Firefox

Firefox

Debug

Input black background

Firefox messes up every input if the GTK theme is dark. There are a lot of workarounds.

Some file types won't display and directly open the download popup instead

This happened to me when trying to use the markdown-viewer plugin. To fix this, add a new MIME type in ~/.local/share/mime/packages/text-markdown.xml:

<?xml version="1.0"?>
<mime-info xmlns='http://www.freedesktop.org/standards/shared-mime-info'>
  <mime-type type="text/plain">
    <glob pattern="*.md"/>
    <glob pattern="*.mkd"/>
    <glob pattern="*.markdown"/>
  </mime-type>
</mime-info>

And then run update-mime-database ~/.local/share/mime.

Encoding error for local files

Set UTF-8 as fallback in about:config: intl.charset.fallback.utf8_for_file = true.

markdown-viewer

Reference

Plugins