The number of events _asUndoPosition is behind relative to _asHistory should be displayed in the GUI, as well as the total length of _asHistory. This is so that users know how far back in history they are. The principle behind this is that all state should be visible.
The number of events _asUndoPosition is behind relative to _asHistory should be displayed in the GUI, as well as the total length of _asHistory. This is so that users know how far back in history they are. The principle behind this is that all state should be visible.