docx files is taken from hidpp20 public folder[1] and was converted to
PDF format using:
loffice --convert-to pdf ...docx
qpdf --linearize orig.pdf ...pdf
Mirrored on https://lekensteyn.nl/files/logitech/.
[1]: https://drive.google.com/#folders/0BxbRzx7vEV7eWmgwazJ3NUFfQ28