THE Reference - SET Commands

SET UNDOING - turn on or off undo facility for the current file
Syntax:: [SET] UNDOING ON|OFF
Description:: The SET UNDOING command allows the user to turn on or off the undo facility for the current file.; At this stage in the development of THE, setting UNDOING to OFF stops THE from saving changes made to lines in a file, and prevents those lines from being able to be RECOVERed.; Setting UNDOING to OFF will increase the speed at which THE can execute CHANGE and DELETE commands.
Compatibility:: XEDIT: N/A; KEDIT: Does not support optional arguments.
Default:: ON
Status:: Complete.