Some info on the file formats contained here:

Man Pages (``*.1``)
    These are autogenerated using rst2man and the source can be found
    in ``docs/guide/commands``

Desktop Files (``*.desktop.in``) and AppData Files (``*.appdata.xml-in``)
    These can be edited here, but will be changed to include translations
    on installation.

D-Bus Service Files (``*.service.in``)
    These depend on the installation path, so get changed during
    installation.

GNOME Search Provider (``*-search-provider.ini``)
    Gets copied as is for GNOME to know that Quod Libet can provide
    a search provider (currently through a plugin)
