Abort, Exit, and Undo

If you select the exit command, the program will exit. If a sequence is in progress, the program will ask for confirmation first. (Remember that a sequence is not finished until the write this sequence command has been given.) In Sd with the X Window System, using your window manager to send a Delete Window message to the program is equivalent to clicking on the exit button. This is what normally happens when you double-click the special control button in the upper left corner of the Sd window.

If you select the abort command, the program will abort the sequence but not exit. It will go back to the startup menu to allow you to start another sequence. It will ask for confirmation first.

If you select the undo command, or press function key F9, while no call is partially entered, that is, while no concepts have been entered, the program will erase the last complete call, with all of its concepts. If one or more concepts have been entered, only the last concept will be erased.

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