The primary correctness concern is that patch understands the output, ie., the libxdiff + patch brings out right back. It ought to be fairly easy to script checking every file change that ever went into a git repository. You won't cover evil cases that way, but it should provide some assurances that nothing is too wrong. M. - : send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html