1 files changed, 6 insertions, 7 deletions

diff --git a/lib/FunctorToMaybe.hs b/lib/FunctorToMaybe.hs
index 658b024..b43a27a 100644
--- a/lib/FunctorToMaybe.hs
+++ b/lib/FunctorToMaybe.hs
@@ -7,12 +7,12 @@
 --
 -- Motivation: When parsing a stream of events, it is often desirable to
 -- let certain control events pass-through to the output stream without
--- interrupting the parse.  For example, the conduit package uses 
+-- interrupting the parse.  For example, the conduit package uses
 -- <http://hackage.haskell.org/package/conduit-1.0.13.1/docs/Data-Conduit.html#t:Flush Flush>
--- which adds a special command to a stream and the blaze-builder-conduit 
+-- which adds a special command to a stream and the blaze-builder-conduit
 -- package has <http://hackage.haskell.org/package/blaze-builder-conduit-1.0.0/docs/Data-Conduit-Blaze.html#g:2 conduits> that treat the nullary constructor with special significance.
 --
--- But for other intermediary conduits, the nullary @Flush@ constructor may 
+-- But for other intermediary conduits, the nullary @Flush@ constructor may
 -- be noise that they should politely preserve in case it is meaningul downstream.
 -- If <http://hackage.haskell.org/package/conduit-1.0.13.1/docs/Data-Conduit.html#t:Flush Flush>
 -- implemented the 'FunctorToMaybe' type class, then 'functorToEither' could be used to
@@ -27,7 +27,7 @@ import Control.Monad.Instances()
 #endif
 
 -- | The 'FunctorToMaybe' class genaralizes 'Maybe' in that the
--- there may be multiple null elements. 
+-- there may be multiple null elements.
 --
 -- Instances of 'FunctorToMaybe' should satisfy the following laws:
 --
@@ -43,7 +43,6 @@ instance FunctorToMaybe (Either a) where
     functorToMaybe (Right x) = Just x
     functorToMaybe _         = Nothing
 
-
 -- | 'functorToEither' is a null-preserving cast.
 --
 -- If @functorToMaybe g == Nothing@, then a casted value is returned with Left.
@@ -52,12 +51,12 @@ instance FunctorToMaybe (Either a) where
 -- Returning to our <http://hackage.haskell.org/package/conduit-1.0.13.1/docs/Data-Conduit.html#t:Flush Flush>
 -- example, if we define
 --
--- > instance Flush where 
+-- > instance FunctorToMaybe Flush where
 -- >   functorToMaybe Flush     = Nothing
 -- >   functorToMaybe (Chunk a) = Just a
 --
 -- Now stream processors can use 'functorToEither' to transform any nullary constructors while
--- while doing its work to transform the data before forwarding it into 
+-- while doing its work to transform the data before forwarding it into
 -- <http://hackage.haskell.org/package/blaze-builder-conduit-1.0.0/docs/Data-Conduit-Blaze.html#v:builderToByteStringFlush builderToByteStringFlush>.
 --
 functorToEither :: FunctorToMaybe f => f a -> Either (f b) a