{des7:15} -If a slot/terminal pair referenced in the map is not found in the abstract -component, an error message is +If a slot/terminal pair referenced in the map is not found in the concrete +symbol, an error message is emitted. This happens when the schematics symbol uses a terminal that has no physical pin with the given device.
{des7:16} -If an existing slot/terminal pair of the abstract component -is not listed in the mapping, no error +If an existing port of the abstract component is not listed in the mapping, +that is the mapping doesn't reference the port in any way, no error is generated. A typical example when this happens is when a logic circuit has 4 identical slots but the schematics uses only 3. If this is considered an error, a DRC plugin shall check for it.