https://info.5ch.net/index.php/%E5%89%8A%E9%99%A4%E4%BE%9D%E9%A0%BC%E3%81%AE%E6%96%B9%E6%B3%95#.E5.89.8A.E9.99.A4.E4.BE.9D.E9.A0.BC.E3.81.AE.E6.89.8B.E9.A0.86

スレ削除系の説明