Sure, but with .reg files all you need to do is look at the contents of the .reg file to see what the diff is. The .reg file is the diff. Could not have been

Sure, but with .reg files all you need to do is look at the contents of the .reg file to see what the diff is. The .reg file is the diff. Could not have been simpler. That's one upside of the registry being a database rather than a text file.