https://www.x.org/releases/X11R7.6/doc/xextproto/security.html https://www.x.org/releases/X11R7.6/doc/xextproto/security.ht... Notice the date.. 1996 (for tho

https://www.x.org/releases/X11R7.6/doc/xextproto/security.html https://www.x.org/releases/X11R7.6/doc/xextproto/security.ht... Notice the date.. 1996 (for those that didn't click the link, that is the X11 security extension which address all that, and it was published ~30 years ago).