/usr/share/doc/libtemplates-parser11.10.2-dev/changelog.Debian.gz is in libtemplates-parser11.10.2-dev 17.2-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libtemplates-parser11.10.2-dev/../libtemplates-parser17.2/changelog.Debian.gz