Those problems are solvable with a PTY. Like how ‘screen’ and ‘tmux’ work. I already have some code in my own shell to wrap everything in a PTY (ironically to

Those problems are solvable with a PTY. Like how ‘screen’ and ‘tmux’ work. I already have some code in my own shell to wrap everything in a PTY (ironically to add colour: highlight stderr in red) but I could just as easily do the opposite and strip all colour escape sequences.