nl: gets the current undoable pointed to by the internal cursor if it is an undoableedit object . concode_field_sep int MAX_QUEUE_SIZE concode_elem_sep Document doc concode_elem_sep UndoableList queue concode_elem_sep int cursor concode_field_sep void add concode_elem_sep boolean isRedoable concode_elem_sep void prefsTrim concode_elem_sep String getUndoRangeString concode_elem_sep String getRedoName concode_elem_sep void clear concode_elem_sep boolean isEmpty concode_elem_sep String getRedoRangeString concode_elem_sep void destroy concode_elem_sep void redo concode_elem_sep int getSize concode_elem_sep void undo concode_elem_sep String getUndoName concode_elem_sep void trim concode_elem_sep boolean isUndoable concode_elem_sep Undoable get concode_elem_sep void redoAll concode_elem_sep void undoAll
code: UndoableEdit function ( ) { Undoable loc0 = get ( ) ; if ( loc0 instanceof UndoableEdit ) { return ( UndoableEdit ) loc0 ; } else { return null ; } }