haskell/haskell-mode — pull request #139 by mboes (2013-05-04 19:55:52+00:00)
Title: haskell-indentation: indent "=" following data/type/newtype declarations.

Whereas before the only available indentation was:

data Foo
= A
| B

Now indentation proposes the following:

data Foo
= A
| B

i.e. offsets the "=" and what follows by haskell-indentation-left-offset.