Исправление vM, (текущая версия) :
QED has been characterized as hard to learn but easy to use. In any event, it is much more powerful than most editors; its text manipulation facilities approach those of SNOBOL.
https://www.bell-labs.com/usr/dmr/www/qedman.pdf
https://github.com/arnoldrobbins/qed-archive/blob/master/sds-940/SQED.txt
https://github.com/arnoldrobbins/qed-archive/blob/master/sds-940/WQED.txt
Исходная версия vM, :
QED has been characterized as hard to learn but easy to use. In any event, it is much more powerful than most editors; its text manipulation facilities approach those of SNOBOL.
https://www.bell-labs.com/usr/dmr/www/qedman.pdf
https://github.com/arnoldrobbins/qed-archive/blob/master/sds-940/SQED.txt