Earlier quoted context omitted.
In 2017, a typo was fixed. The content is from 2013: https://cgit.freedesktop.org/wiki/xorg/log/Development/X12.m...
2013 is when the format was converted to markdown. No idea when the content is from.
[0]: https://web.archive.org/web/20071123130628/https://www.x.org...
[1]: https://web.archive.org/web/20131222002042/https://www.x.org...