EDV will not to be a full screen editor like vi(m) nor even a single line editor as ed. Instead edv will be a single character editor, as strange as it sounds, but with, I hope, some special and interesting features.
Readme.md file and Go code, in their first iterations, were written on Solaris and in ed. This was done as some kind of distant enactment of Ken writing ancient Unix software on qed and Model 33 Teletype.
Project is on pause
and docs are @ GigHub.