Change history of The observer design pattern

RevDateModified byMinor editSpamWikiTextRevert toAB
32016-07-10 12:29:16dkfnono33
22016-07-10 12:27:56dkfnono22
12003-03-13 21:44:3012.107.165.254nono11
02003-03-13 18:58:5662.10.47.184nono00