Last modified: 2010-08-01 08:53:09 UTC
See http://zh.wikipedia.org/w/index.php?title=Wikipedia:%E4%BA%92%E5%8A%A9%E5%AE%A2%E6%A0%88/%E6%B6%88%E6%81%AF&diff=prev&oldid=13897125 The yellow row is identical to the second green row, so it's more preferred to treat them as unchanged, and the diff should be only an insertion of the first green row.
*** This bug has been marked as a duplicate of bug 13462 ***