[1] https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/...
More details at
https://man7.org/linux/man-pages/index.html
and
http://blog.man7.org/2013/05/adding-further-man-pages-to-htm...
[1] https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/...