/usr/share/help/th/gedit/legal.xml is in gedit-common 3.10.4-0ubuntu4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/help/th/gedit/../../../help-langpack/th/gedit/legal.xml
/usr/share/help/th/gedit/../../../help-langpack/th/gedit/legal.xml