public int undo() { int retVal = -1; Edit edit = last; while (edit != null) { retVal = edit.undo(); edit = edit.prev; } return retVal; }
// {{{ undo() method @Override public Selection[] undo(UndoManager mgr) { Selection[] retVal = null; Edit edit = last; while (edit != null) { retVal = edit.undo(mgr); edit = edit.prev; } return retVal; } // }}}