DISPLAYS AN INTERROGATION MARK WHEN A COMMAND INPUT IS EXECUTED
ACTION
When a command INPUT is executed, an interrogation mark is displayed on the system object called "print target".
By default, the "print target" is FORM0, but a system object becomes "print target" by the command PRINT_TARGET_IS.
SYNTAX:
INPUT_MARK_ON
USE ERROR EXAMPLE
INPUT_MARK_ON
INPUT_MARK_ON
INPUT_MARK_ON
SEE ALSO
INPUT_SOURCE_IS
INKEY$
SCANCODE
INPUT_MARK_OFF
INPUT_REDO_ON
INPUT_REDO_OFF
INPUT_VISIBLE_ON
INPUT_VISIBLE_OFF