The ability to have a wire that is on two or three separate schematics that are the exact same wire - so there is not a source/destination arrow to go from drawing to drawing but just a different representation of the wire. So either allow the second and third representation of the wire to cross reference the first wire or set up the second and/or tertiary wire as child objects of the primary (parent) wire.
The goal would be that when you run wire numbers on the project - if the wire number changes on the first or primary drawing then the second or third or fourth drawing (however many times the wire is represented) would update to match the primary with the same wire number.
