There is another great resource mainly about X11 called Xplain[1] with its accompanying repository[2] with some hidden (not yet ready I suppose) chapters. For e

There is another great resource mainly about X11 called Xplain[1] with its accompanying repository[2] with some hidden (not yet ready I suppose) chapters. For example the override-redirect description[3]. [1]: https://magcius.github.io/xplain/article/ https://magcius.github.io/xplain/article/ [2]: https://github.com/magcius/xplain https://github.com/magcius/xplain [3]: https://magcius.github.io/xplain/article/menu.html https://magcius.github.io/xplain/article/menu.html