/usr/lib/x86_64-linux-gnu/perl5/5.24/Gnome2/Wnck/index.pod is in libgnome2-wnck-perl 0.16-3+b3.
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 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | =head1 NAME
Gnome2::Wnck - API Reference Pod Index
=head1 PAGES
=over
=item L<Gnome2::Wnck::Application>
=item L<Gnome2::Wnck::ClassGroup>
=item L<Gnome2::Wnck::Pager>
=item L<Gnome2::Wnck::Screen>
=item L<Gnome2::Wnck::Selector>
=item L<Gnome2::Wnck::Tasklist>
=item L<Gnome2::Wnck::Window>
=item L<Gnome2::Wnck::Workspace>
=item L<Gnome2::Wnck::main>
=back
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