Log message:
Update to 1.8.58

CHANGES:
1.8.58
    Move the API to Language.Haskell.HLint2
    #638, ensure $! doesn't break strictness with strict fields
    #24, don't remove DeriveFunctor even when only on a newtype
    #22, turn off UnboxedTuples by default
    #21, strip /* C style */ comments
    #635 and #18, require cpphs-1.18.1
    Switch to CmdArgs for command line parsing
    Remove -x as a synonym for --cross
( #638 => http://code.google.com/p/ndmitchell/issues/detail?id=638 )
( #635 => http://code.google.com/p/ndmitchell/issues/detail?id=635 )
( #24 => https://github.com/ndmitchell/hlint/issues/24 )
( #22 => https://github.com/ndmitchell/hlint/issues/22 )
( #21 => https://github.com/ndmitchell/hlint/issues/21 )
( #18 => https://github.com/ndmitchell/hlint/issues/18 )

Log message:
Update to 1.8.57

CHANGES:
1.8.57
    #6, add a preview of an API
    #331, improve parse error locations for literate Haskell
1.8.56
    Remove support for GHC 6.12 and below
    #317, tone down the void hint
    #16, match not . not (and reverse . reverse etc)
    Suggest <$> instead of fmap f $ ...
    Tweak some priorities, make >=> a warn and void an error
    #3, make top of the file ANN pragmas work
    #10, add a suggestion to use unlines
    #11, add a few hints about characters
    #8, add CHANGES.txt to the Cabal package

Log message:
Update to 1.8.55

Changelog:
1.8.55
    #627, fix the UnboxedTuples extension warning

Log message:
Update to 1.8.54

Changelog:
1.8.54
    Fix a bug when suggesting const

Log message:
Update to 1.8.53

CHANGES:
1.8.53
    Fix some corner cases when suggesting foldr etc.
    #517, don't introduce new free variables in a replacement
1.8.52
    #2, Generic is not newtype derivable

Log message:
Update to 1.8.51

CHANGES:
1.8.51
    Add a test that unkwnon extensions are not touched
    Upgrade to haskell-src-exts-1.14
1.8.50
    Eliminate upper bounds on all dependencies
    #617, fix up notIn to take account of Template Haskell variables
    #573, suggest removing various deriving language extensions
1.8.49
    Remove ^^ ==> ** hint
    Remove a duplicate sqrt hint
    Ensure that --test failures throws an error
    Fix up the copyright year in --help
1.8.48
    Brackets at the root of annotations are fine
    Reduce a few more lambda expressions
1.8.47
    #613, compatibility with base-4.7

Log message:
Update to 1.8.46

Changelog for HLint
1.8.46
    Remove incorrect isPrefixOf hints
    #586, add span/break/takeWhile/dropWhile hints
    #588, add sort/reverse hints
    #601, add replicate/map/repeat hints
    Add a hint about reverse/reverse
    Add side as an alias for _
    Add hint as an alias for error

Log message:
Update to 1.8.45

CHANGES:
1.8.45
    #600, hints for unnecessary lazy annotations

Log message:
Update to 1.8.44

CHANGES:
1.8.44
    #598, warn on unnecessary bang patterns
1.8.43
    Change some hint error/warning levels
1.8.42
    Allow cpphs-1.16
1.8.41
    #586, add a rule for takeWhile/dropWhile ==> span
    #522, add hints for the state monad
    #499, fix up the test suite
    Fix the side conditions for the `isPrefixOf` hint
    Add hints about take/drop on non positive numbers
    Add isNat/isPos/isNeg/isNegPos as notes
    Make the notes a structured type
    Add --proof feature
    Retire the Prelude.catch hint
    Additional boolean equality hints
1.8.40
    #585, lots of additional list based hints
1.8.39
    #582, don't suggest renaming with trailingHashes#
1.8.38
    #578, treat _ bindings differently in lambdas
1.8.37
    #575, allow cpphs-1.15
1.8.36
    Make --with imply no default Hint files
1.8.35
    #567, avoid duplicate hints around (.) hints
1.8.34
    Switch license from GPL to BSD3
1.8.33
    Lots more hints on laziness, foldable and a few others
    Use mapM_ etc in more situations, when using explicit >>=
1.8.32
    Add notes about how to deal with imported fixites
    Add a --with flag for passing settings on the command line
    #563, make sure TypeSig hints get the right function name
    Update the copyright year to 2012
    #564, allow brackets and type signatures on annotations
    Add a note that about using !! if the index is negative
1.8.31
    Avoid incomplete patterns when reading ANN pragmas
    #555, top-level expressions require TemplateHaskell
1.8.30
    Add elemIndex/elemIndices hints
    Allow cpphs-1.14
    #551, allow case_ as a name with an underscore
1.8.29
    Allow hscolor-1.20.*
    #574, add a hint to for mapM/zip ==> zipWithM
1.8.28
    Fix a bug, >=> hint was missing check about removal of free var
1.8.27
    Allow haskell-src-exts-1.13.*
1.8.26
    Allow haskell-src-exts-1.12.*
    Don't suggest redundant brackets when turning ++ into :
    Add hints suggesting >=> and <=<
1.8.25
    Update the copyright year in the Cabal file
    Allow transformers-0.3.*
1.8.24
    #531, Make hlint.ghci well formed again
1.8.23
    Add hints for redundant seq/evaluate using isWHNF
    #526, don't hint for return $! (x :: Int)
1.8.22
    Add hint for $! where the RHS is not a variable
1.8.21
    #508, add lots of hints from the base library
    #317, add hints for a >> return () to void
    Add a fromMaybe/fmap ==> maybe hint
    #304, don't backet tuple sections
    Add foldl (++) [] ==> concat
    #512, detect unnecessary case construct
    When finding hints, don't abort on a parse error
    #507, add exitSuccess hint
    #505, suggest record patterns

Log message:
Upstream update to hlint-1.8.20