Scan exception doc wrong for when source is empty; fixes #285
Scan exception doc wrong for when source is empty; fixes #285

Behaviour was fixed in 3d9c019b619bf2dd1d78065330230f60f5daeb98 but doc was
not updated.

fsateler/MoreLINQ,ddpruitt/morelinq,morelinq/MoreLINQ,ddpruitt/morelinq,fsateler/MoreLINQ,morelinq/MoreLINQ