/usr/share/help/ca/gnome-help/legal.xml is in gnome-user-guide 3.4.1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/help/ca/gnome-help/../../../help-langpack/ca/gnome-help/legal.xml
/usr/share/help/ca/gnome-help/../../../help-langpack/ca/gnome-help/legal.xml