That is incorrect. This will keep partial transfers in destination (and when invoked again, will continue tranferring from that point onwards), but will not restart an aborted transfer (e.g. for a broken connection).
In other words, this feature is a prerequisite for auto-resume, not auto-resume itself (which can be scripted in ~10 lines, as shown in a sibling thread).
In other words, this feature is a prerequisite for auto-resume, not auto-resume itself (which can be scripted in ~10 lines, as shown in a sibling thread).