/usr/share/doc/libxrandr-dev-lts-quantal/changelog.Debian.gz is in libxrandr-dev-lts-quantal 2:1.4.0-1~precise2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libxrandr-dev-lts-quantal/../libxrandr-ltsq2/changelog.Debian.gz