/usr/share/man/man3/perl-tk.3pm.gz is in perl-tk 1:804.032-3+b3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man3/Tk::UserGuide.3pm.gz
/usr/share/man/man3/Tk::UserGuide.3pm.gz