Comments - nberlette/canbus GitHub Wiki
CM_ [BU_|BO_|SG_] [Node|CAN-ID] [SignalName] "<Comments>";
CM_ "<Comments>" ;
Comments have the ability to be scoped globally (default; meaning it applies to the file as a whole), or directed at one particular section of the file.
CM_ BU_ <NodeId> "<Comments>" ;
CM_ BO_ <CAN-ID> "<Comments>" ;
CM_ SG_ <CAN-ID> <SignalName> "<Comments>" ;