This file is indexed.

/usr/share/doc/ is in texlive-luatex 2013.20140215-1ubuntu0.1.

This file is owned by root:root, with mode 0o755.

File Mime Type Owner Mode Size
..
/usr/share/doc/texlive-doc/ root:root 0o755
/usr/share/doc/texlive-luatex/ root:root 0o755