Cancels the effect of the item specified by the option word. Format CANCEL option
1 – MARK
Cancels the indicated marker set by a SET MARK command. Format CANCEL MARK [marker-name]
1.1 – Parameter
marker-name Names the marker to be canceled; a wildcard marker name is allowed. If you do not specify a name for the marker, LSE cancels any marker at the current cursor position.
2 – SELECT_MARK
Cancels the selected range of the SET SELECT_MARK command. Format CANCEL SELECT_MARK