I think I've decoded pickpockett's post and I'll now attempt to translate it.
"No, they allow you to change certain parts within the game (i.e. to make self-bootable games into non-bootable games, change normal games to PAL games, take out dummy files, etc). Although I'm not sure if you make an image of a game (your original game), then add a patch to take out the dummy files, can you then make a copy? Any comments greatfully accepted"