/usr/share/doc/libavahi-qt4-1/README is in libavahi-qt4-1 0.6.32~rc+dfsg-1ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libavahi-qt4-1/../libavahi-common-data/README
/usr/share/doc/libavahi-qt4-1/../libavahi-common-data/README