I had reasonable experience with structure editors (worked on one long time ago, for beginner programmers) and at least in their naïve form they are a bloody pa

I had reasonable experience with structure editors (worked on one long time ago, for beginner programmers) and at least in their naïve form they are a bloody pain to use, and far slower to get information in than a halfway decent touch typist. It's possible some improvements might make things better, but it's really hard to see. Happy to be proven wrong!