Expand haddock of scaled and dilated.
Expand haddock of scaled and dilated.

Mention how the negative factors work. They were already covered in
the guide but not directly in the function documention.

This should help a little until Reflections #757 are addressed fully.

google/codeworld,alphalambda/codeworld,alphalambda/codeworld,google/codeworld,alphalambda/codeworld,google/codeworld