蓝色小药丸虽神奇，但滥用也会致命，伟哥的正确用法，快收藏！ 腾讯新闻: Revision history
From GTMS
Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.
