「操作をまちがえました!元に戻せますか?」の編集履歴（バックアップ）一覧はこちら
追加された行は緑色になります。
削除された行は赤色になります。
If you make a mistake, don't panic! Most actions on Remember The Milk an be 'undone' easily. Once you perform an action, you'll see an orange box at the top of the page. It will prompt you to undo your last action.
If you click on the 'More Actions' drop-down, you'll also see an 'Undo Last Action' option. Choosing this option multiple times will undo multiple actions.
