“The X.Org Foundation requests that the following names be used when referring to this software: X X Window System X Version 1

“The X.Org Foundation requests that the following names be used when referring to this software: X X Window System X Version 11 X Window System, Version 11 X11 ” — <https://www.x.org/releases/current/doc/man/man7/X.7.xhtml https://www.x.org/releases/current/doc/man/man7/X.7.xhtml>