The specific forms for control edit descriptors follow: +--------------------------+--------------+ | Function | Format | +--------------------------+--------------+ | Scale factor | kP | | Blanks are null (input) | BN | | Blanks are zero (input) | BZ | | Characters in input | Q | | Plus sign (always) | SP | | Plus sign (never) | SS | | Default plus sign | S | | Skip spaces (same as TRn)| nX | | Position (Tab) | Tn | | Relative left tab | TLn | | Relative right tab | TRn | | Carriage control | $ or \ | | Terminate list | : | | Terminate record | / | +--------------------------+--------------+