| Value | Meaning |
|---|---|
| AUTO0 | For backspace, attempt to determine the right value from the terminal's IO settings. For delete, use the control sequence. |
| ASCII_BACKSPACE1 | Send an ASCII backspace character (0x08). |
| ASCII_DELETE2 | Send an ASCII delete character (0x7F). |
| DELETE_SEQUENCE3 | Send the "@7" control sequence. |
| TTY4 | Send terminal's "erase" setting. |
An enumerated type which can be used to indicate which string the terminal should send to an application when the user presses the Delete or Backspace keys.