Acme is an incredible, fascinating editor... that relies too much on rat wrestling to be useful to me. I really find it interesting how it takes advantage of Plan 9's aggressive Unix philosophy to provide functionality that would've been plugins or extensions in other editors as separate C programs or scripts. But having to use the mouse for everything just drives me nuts. It's easier for my fingers to acquire even E…
It would not be infuriating if basic movements were possible using the keyboard, such as the classic left-down-up-right. As for key binding, it’s pretty easy to add that as external tools, thanks to the 9p interface.
Up and down can't work, because acme was designed for proportional fonts, and many of us acme users use proportional fonts. Up and down are not well defined/not useful with proportional fonts.