/usr/share/libreoffice/help/ja/swriter.cfg is in libreoffice-help-ja 1:3.5.7-0ubuntu13.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 | Title=%PRODUCTNAME Writer
Language=ja-JP
Order=2
Start=text%2Fswriter%2Fmain0000.xhp
Heading=headingheading
Program=WRITER
|