Yes I did check both the help and the tutorial but they are not very helpful.
What seems to work is to first place a new wire segment to the "new" pin. Then delete the old wire.
There is an "Edit Mode" but I am not sure I understand what it is supposed to do, even after reading help.
What seems to work is to first place a new wire segment to the "new" pin. Then delete the old wire.
There is an "Edit Mode" but I am not sure I understand what it is supposed to do, even after reading help.