https://www.reddit.com/r/unixporn/comments/eyq8a5/window_maker_there_was_a_call_for_openbsd_desktops/?rdt=39898
https://en.wikipedia.org/wiki/Sam_%28text_editor%29
https://en.wikipedia.org/wiki/QED_(text_editor)
https://levelup.gitconnected.com/why-ed-is-the-standard-text-editor-bf45f8f21a3a
https://dev.to/andreisfedotov/back-to-1969-or-introduction-to-ed-old-school-text-editor-ffo

https://wiki.c2.com/?EdIsTheStandardTextEditor
https://news.ycombinator.com/item?id=13113556
https://www.bell-labs.com/usr/dmr/www/qed.html