/usr/share/doc/tclcl-dbg/changelog.Debian.gz is in tclcl-dbg 1.20-7.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/tclcl-dbg/../tclcl/changelog.Debian.gz
/usr/share/doc/tclcl-dbg/../tclcl/changelog.Debian.gz