1.. Permission is granted to copy, distribute and/or modify this 2.. document under the terms of the GNU Free Documentation License, 3.. Version 1.1 or any later version published by the Free Software 4.. Foundation, with no Invariant Sections, no Front-Cover Texts 5.. and no Back-Cover Texts. A copy of the license is included at 6.. Documentation/userspace-api/media/fdl-appendix.rst. 7.. 8.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections 9 10.. _compat: 11 12******* 13Changes 14******* 15 16The following chapters document the evolution of the V4L2 API, errata or 17extensions. They are also intended to help application and driver 18writers to port or update their code. 19 20 21.. toctree:: 22 :maxdepth: 1 23 24 diff-v4l 25 hist-v4l2 26