So there was a classic bug in the game NetHack where there was indeed a comment indicating there should be a fall through. Then somebody added a new case, and t

So there was a classic bug in the game NetHack where there was indeed a comment indicating there should be a fall through. Then somebody added a new case, and the fall through now went to the wrong place. But since the comment said it was supposed to fall through, nobody reported the bug. https://nethackwiki.com/wiki/Yeenoghu#.22A_ludicrous_bug.22 https://nethackwiki.com/wiki/Yeenoghu#.22A_ludicrous_bug.22