Compiler Development Environments - How Hard Is It?

"There's only two, e only two ways i can think of. One is, for everything you could possibly do in your programme, you have to have another function that undoes it," he says. "And then you have to keep a list of all the things you did." It would be 'totally sweet' if we had something like this on our computers, writes Apple co-founder Steve Wozniak.