/usr/share/doc/libffado2/AUTHORS is in libffado2 2.0.99+svn2019-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | Daniel Wagner <wagi@monom.org>
Pieter Palmers <pieter.palmers@ffado.org>
Jonathan Woithe <jwoithe@physics.adelaide.edu.au>
Arnold Krille <arnold@arnoldarts.de>
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