> If I give you the diff, how long will it take you to type the changes back into the code base and recover your six-hours' work? The diff will help, but it'll

> If I give you the diff, how long will it take you to type the changes back into the code base and recover your six-hours' work? The diff will help, but it'll be an order of magnitude faster to do it the second time, diff provided or not. For the same reason.