  Command edit functions                  Command recall functions

  LEFTARROW   backup 1 character          UPARROW     backup 1 command
  RIGHTARROW  advance 1 character         DOWNARROW   advance 1 command
  GOLD_LEFT   backup to begin of cmd      GOLD_UP     backup to oldest cmd
  GOLD_RIGHT  advance to end of command   GOLD_DOWN   advance to newest cmd
  DELETE      delete 1 character left     PF3         recall last command
  ^D          delete 1 char at cursor     PF4         show all commands
  ^B          delete to begin of cmd
  ^E          delete to end of command    PF1         GOLD
  ^R          redisplay command           PF2         help
  ^U          cancel command              ^Z          exit CLE
