Indentation level is missing for `deriving` keyword

[issue-dispenser]

As defined here:

data  Maybe a  =  Nothing | Just a
  deriving (Eq, Ord)

There's no indentation level that will result in the deriving being 2 spaces. It'll only do this:

data  Maybe a  =  Nothing | Just a
               deriving (Eq, Ord)

[gracjan]

Can you add a test case for this?

[issue-dispenser]

Is the hindent test 55a correct behaviour? From what I can tell, it seems like deriving on a new line should be indented like where is instead of aligned to an equals.

I guess some may disagree though.

[gracjan]

Looks good to me, can you also add tests covering #1046?

[gracjan]

Note that deriving can be on its own line, too:

deriving instance XYZ a b