/usr/share/doc/ttf-wqy-microhei/changelog.Debian.gz is in ttf-wqy-microhei 0.2.0-beta-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/ttf-wqy-microhei/../fonts-wqy-microhei/changelog.Debian.gz