When I was at Apple, I wrote a lot of software to make it easier for Apple employees to read code that other people in the company had written. This idea of im

When I was at Apple, I wrote a lot of software to make it easier for Apple employees to read code that other people in the company had written. This idea of improving the reading/understanding experience with software is something I've tinkered with, without much success, so your story intrigues me. If you can say & don't mind, what sort of approach does/did that software take?