Bug 631112 - Incorrect background and :after position with a multi-column DIV in RTL mode

1Test passes if there is no red. 2Test passes if there is no red. 3Test passes if there is no red. 4Test passes if there is no red. 5Test passes if there is no red. 6Test passes if there is no red. 7Test passes if there is no red. 8Test passes if there is no red. 9Test passes if there is no red. 0Test passes if there is no red. 1Test passes if there is no red. 2Test passes if there is no red. 3Test passes if there is no red. 4Test passes if there is no red. 5Test passes if there is no red. 6Test passes if there is no red. 7Test passes if there is no red. 8Test passes if there is no red. 9Test passes if there is no red. 0Test passes if there is no red. 1Test passes if there is no red. 2Test passes if there is no red. 3Test passes if there is no red. 4Test passes if there is no red. 5Test passes if there is no red. 6Test passes if there is no red. 7Test passes if there is no red. 8Test passes if there is no red. 9Test passes if there is no red. 0Test passes if there is no red.