Unlike other commands or subcommands, EDIT subcommands do not directly access the command processor parameter list (CPPL). Instead, EDIT subcommands begin by accessing the EDIT command processor communication area (CA), which is mapped by macro IKJEBECA.

When an EDIT subcommand receives control, register 1 points to the CA. In the CA, the significant field for EDIT subcommands is the CAPTTMP field, which points to the CPPL that was passed as input to the EDIT command processor. For more information about the CA, refer to .