This file is indexed.

/usr/share/gtk-doc/html/gtkdatabox is in libgtkdatabox-0.9.2-0-dev 1:0.9.2.0-3ubuntu2.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/share/gtk-doc/html/../../doc/libgtkdatabox-0.9.2-0-dev/html