Question about """ Subject: [PATCH v50 5/8] Add initdb option to initialize cluster with non-standard xid/mxid/mxoff.
To date testing database cluster wraparund was not easy as initdb has always inited it with default xid/mxid/mxoff. The option to specify any valid xid/mxid/mxoff at cluster startup will make these things easier. """Doesn't pg_resetwal already provide that functionality, or at least some of it?
