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2<!--
3    Permission is granted to copy, distribute and/or modify this
4    document under the terms of the GNU Free Documentation License,
5    Version 1.1 or any later version published by the Free Software
6    Foundation, with no Invariant Sections, no Front-Cover Texts
7    and no Back-Cover Texts. A copy of the license is included at
8    Documentation/userspace-api/media/fdl-appendix.rst.
9
10    TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
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