This file is indexed.

/usr/share/help/it/gdm/ is in gdm3 3.28.0-0ubuntu1.

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

File Mime Type Owner Mode Size
..
/usr/share/help/it/gdm/index.docbook root:root 0o777
/usr/share/help/it/gdm/legal.xml root:root 0o777