I found an interesting gist on GitHub, tried it out, and found a bug. I noticed that there are several forks of the gist, so I wondered if any of them have fixed the bug I found. I can see the list of forks, and some of them are marked as modified, but I can't see how to tell what the differences are between the forks and the original. Is there a way to view the diffs?
As an example, I found a Markov text generator. I can see the list of forks, but each one just shows the current version.