/usr/share/gimp/2.0/menus/fonts-menu.xml is in gimp-data 2.8.22-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 | <?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE ui SYSTEM "gtkuimanager.dtd">
<ui>
<popup action="fonts-popup">
<menuitem action="fonts-refresh" />
<separator />
</popup>
</ui>
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