however, without that tweak, the domain mapping wouldn't work at all, correct?
No, it won't. That's not a tweak though. You have to do that regardless of how you handle the domain inside your WP install.
however, without that tweak, the domain mapping wouldn't work at all, correct?
No, it won't. That's not a tweak though. You have to do that regardless of how you handle the domain inside your WP install.