diff --git a/hsini.cabal b/hsini.cabal
--- a/hsini.cabal
+++ b/hsini.cabal
@@ -1,66 +1,56 @@
--- This file has been generated from package.yaml by hpack version 0.28.2.
---
--- see: https://github.com/sol/hpack
---
--- hash: 0a9d3d220e23a6165acb4a43a8293ef95e41667b8afd689196d833adad1dba85
+cabal-version: 3.0
+name:          hsini
+version:       0.5.1.3
+synopsis:      ini configuration files
+description:
+  Library for reading and writing configuration files in INI format (see <https://en.wikipedia.org/wiki/INI_file>).
 
-name:           hsini
-version:        0.5.1.2
-synopsis:       ini configuration files
-description:    Library for reading and writing configuration files in INI format (see <https://en.wikipedia.org/wiki/INI_file>).
-category:       Configuration, Data
-maintainer:     Magnus Therning <magnus@therning.org>
-license:        BSD3
-license-file:   LICENSE
-build-type:     Simple
-cabal-version:  >= 1.10
-extra-source-files:
-    package.yaml
-    stack.yaml
+category:      Configuration, Data
+author:        Magnus Therning <magnus@therning.org>
+maintainer:    Magnus Therning <magnus@therning.org>
+license:       BSD-3-Clause
+license-file:  LICENSE
+build-type:    Simple
 
 source-repository head
-  type: git
+  type:     git
   location: https://github.com/magthe/hsini.git
 
 library
   exposed-modules:
-      Data.Ini
-      Data.Ini.Reader
-      Data.Ini.Types
-  other-modules:
-      Data.Ini.Reader.Internals
-  hs-source-dirs:
-      src
+    Data.Ini
+    Data.Ini.Reader
+    Data.Ini.Reader.Internals
+    Data.Ini.Types
+
+  hs-source-dirs:   src
   build-depends:
-      base <5
+    , base        <5
     , bytestring
     , containers
     , mtl
     , parsec
+
   default-language: Haskell2010
 
 test-suite hsini-tests
-  type: exitcode-stdio-1.0
-  main-is: Main.hs
+  type:             exitcode-stdio-1.0
+  main-is:          Main.hs
   other-modules:
-      Ini
-      ReaderI
-      Data.Ini
-      Data.Ini.Reader
-      Data.Ini.Reader.Internals
-      Data.Ini.Types
-      Paths_hsini
-  hs-source-dirs:
-      tst
-      src
+    Ini
+    ReaderI
+
+  hs-source-dirs:   tst
   build-depends:
-      base
+    , base              <5
     , bytestring
     , containers
+    , hsini
     , mtl
     , parsec
     , tasty
     , tasty-hunit
     , tasty-quickcheck
     , tasty-th
+
   default-language: Haskell2010
diff --git a/package.yaml b/package.yaml
deleted file mode 100644
--- a/package.yaml
+++ /dev/null
@@ -1,43 +0,0 @@
-name: hsini
-version: 0.5.1.2
-synopsis: ini configuration files
-description: >-
-  Library for reading and writing configuration files in INI format (see
-  <https://en.wikipedia.org/wiki/INI_file>).
-maintainer: Magnus Therning <magnus@therning.org>
-license: BSD3
-category: Configuration, Data
-extra-source-files:
-  - package.yaml
-  - stack.yaml
-
-git: https://github.com/magthe/hsini.git
-
-library:
-  source-dirs:
-    - src
-  dependencies:
-    - base <5
-    - bytestring
-    - containers
-    - mtl
-    - parsec
-  other-modules:
-    - Data.Ini.Reader.Internals
-
-tests:
-  hsini-tests:
-    source-dirs:
-      - tst
-      - src
-    main: Main.hs
-    dependencies:
-      - base
-      - bytestring
-      - containers
-      - mtl
-      - parsec
-      - tasty
-      - tasty-hunit
-      - tasty-quickcheck
-      - tasty-th
diff --git a/src/Data/Ini.hs b/src/Data/Ini.hs
--- a/src/Data/Ini.hs
+++ b/src/Data/Ini.hs
@@ -1,14 +1,15 @@
--- |
--- Module    : Data.Ini
--- Copyright : 2011-2014 Magnus Therning
--- License   : BSD3
---
--- A representation of configuration options.  It consists of /sections/,
--- each which can contain 0 or more /options/.  Each options is a /key/,
--- /value/ pair.
---
--- This module contains the API for constructing, manipulating, and querying
--- configurations.
+{- |
+Module    : Data.Ini
+Copyright : 2011-2014 Magnus Therning
+License   : BSD3
+
+A representation of configuration options.  It consists of /sections/,
+each which can contain 0 or more /options/.  Each options is a /key/,
+/value/ pair.
+
+This module contains the API for constructing, manipulating, and querying
+configurations.
+-}
 module Data.Ini where
 
 -- {{{1 imports
@@ -18,11 +19,13 @@
 import Data.Ini.Types
 
 -- {{{1 configurations
+
 -- | Constructs an empty configuration.
 emptyConfig :: Config
 emptyConfig = M.empty
 
 -- {{{1 sections
+
 -- | Returns @True@ iff the configuration has a section with that name.
 hasSection :: SectionName -> Config -> Bool
 hasSection = M.member
@@ -40,6 +43,7 @@
 delSection = M.delete
 
 -- {{{1 options
+
 -- | Returns @True@ if the names section has the option.
 hasOption :: SectionName -> OptionName -> Config -> Bool
 hasOption sn on cfg = isJust $ getSection sn cfg >>= M.lookup on
@@ -49,24 +53,25 @@
 getOption sn on cfg = getSection sn cfg >>= M.lookup on
 
 -- | Returns a list of all options in the section.
-options ::  SectionName -> Config -> [OptionName]
+options :: SectionName -> Config -> [OptionName]
 options sn cfg = maybe [] M.keys (getSection sn cfg)
 
 -- | Sets the value of the option, adding it if it doesn't exist.
 setOption :: SectionName -> OptionName -> OptionValue -> Config -> Config
-setOption sn on ov cfg = maybe (M.insert sn new_s cfg) (\ sec -> M.insert sn (M.insert on ov sec) cfg) s
-    where
-        s = getSection sn cfg
-        new_s = M.insert on ov M.empty
+setOption sn on ov cfg = maybe (M.insert sn new_s cfg) (\sec -> M.insert sn (M.insert on ov sec) cfg) s
+  where
+    s = getSection sn cfg
+    new_s = M.insert on ov M.empty
 
 -- | Removes the option if it exists.  Empty sections are pruned.
 delOption :: SectionName -> OptionName -> Config -> Config
-delOption sn on cfg = if sEmptyAfterDelete
+delOption sn on cfg =
+    if sEmptyAfterDelete
         then M.delete sn cfg
-        else maybe cfg (\ sec -> M.insert sn (M.delete on sec) cfg) s
-    where
-        s = getSection sn cfg
-        sEmptyAfterDelete = maybe True (\ sec -> M.empty == M.delete on sec) s
+        else maybe cfg (\sec -> M.insert sn (M.delete on sec) cfg) s
+  where
+    s = getSection sn cfg
+    sEmptyAfterDelete = maybe True (\sec -> M.empty == M.delete on sec) s
 
 -- | Returns all options and their values of a section.
 allItems :: SectionName -> Config -> [(OptionName, OptionValue)]
diff --git a/src/Data/Ini/Reader.hs b/src/Data/Ini/Reader.hs
--- a/src/Data/Ini/Reader.hs
+++ b/src/Data/Ini/Reader.hs
@@ -1,25 +1,28 @@
--- |
--- Module    : Data.Ini.Reader
--- Copyright : 2011-2014 Magnus Therning
--- License   : BSD3
---
--- Parser for configurations.
-module Data.Ini.Reader
-    ( parse
-    , IniReaderError(..)
-    , IniParseResult
-    ) where
+{- |
+Module    : Data.Ini.Reader
+Copyright : 2011-2014 Magnus Therning
+License   : BSD3
 
+Parser for configurations.
+-}
+module Data.Ini.Reader (
+    parse,
+    IniReaderError (..),
+    IniParseResult,
+) where
+
 import Control.Monad.Except
 import qualified Text.ParserCombinators.Parsec as P
 
-import Data.Ini.Types
 import Data.Ini.Reader.Internals
+import Data.Ini.Types
 
 -- | Parser for a configuration contained in a 'String'.
 parse :: String -> IniParseResult Config
-parse s = let
+parse s =
+    let
         pr = P.parse iniParser "ini" s
-    in case pr of
-        Left e -> throwError . IniParserError $ show e
-        Right is -> buildConfig is
+     in
+        case pr of
+            Left e -> throwError . IniParserError $ show e
+            Right is -> buildConfig is
diff --git a/src/Data/Ini/Reader/Internals.hs b/src/Data/Ini/Reader/Internals.hs
--- a/src/Data/Ini/Reader/Internals.hs
+++ b/src/Data/Ini/Reader/Internals.hs
@@ -1,10 +1,12 @@
 {-# LANGUAGE FlexibleContexts #-}
--- |
--- Module    : Data.Ini.Reader.Internals
--- Copyright : 2011-2014 Magnus Therning
--- License   : BSD3
---
--- Internal functions used in 'Data.Ini.Reader'.
+
+{- |
+Module    : Data.Ini.Reader.Internals
+Copyright : 2011-2014 Magnus Therning
+License   : BSD3
+
+Internal functions used in 'Data.Ini.Reader'.
+-}
 module Data.Ini.Reader.Internals where
 
 import Control.Monad.Except
@@ -34,7 +36,8 @@
 
 -- | Build a configuration from a list of 'IniFile' items.
 buildConfig :: [IniFile] -> IniParseResult Config
-buildConfig ifs = let
+buildConfig ifs =
+    let
         isComment CommentL = True
         isComment _ = False
 
@@ -43,7 +46,7 @@
         -- merge together OptionL and subsequent OptionContL items
         mergeOptions [] = return []
         mergeOptions (s@(SectionL _) : ifs) = (s :) `liftM` mergeOptions ifs
-        mergeOptions (CommentL : ifs ) = (CommentL :) `liftM` mergeOptions ifs
+        mergeOptions (CommentL : ifs) = (CommentL :) `liftM` mergeOptions ifs
         mergeOptions (OptionL on ov : OptionContL ov2 : ifs) = mergeOptions $ (OptionL on (ov ++ ov2)) : ifs
         mergeOptions (o@(OptionL on ov) : ifs) = (o :) `liftM` mergeOptions ifs
         mergeOptions _ = throwError $ IniSyntaxError "Syntax error in INI file."
@@ -55,65 +58,75 @@
             sn <- get
             let na = setOption sn on ov a
             buildit na is
-
-    in mergeOptions fIfs >>= (\ is -> return . fst $ runState (buildit emptyConfig is) "default")
+     in
+        mergeOptions fIfs >>= (\is -> return . fst $ runState (buildit emptyConfig is) "default")
 
 -- | Consumer of whitespace \"@ \t@\".
 eatWhiteSpace :: Parser String
 eatWhiteSpace = many $ oneOf " \t"
 
--- | Parser for the start-of-section line.  It expects the line to start with a
--- @[@ then find the section name, and finally a @]@.  The section name may be
--- surrounded by any number of white space characters (see 'eatWhiteSpace').
+{- | Parser for the start-of-section line.  It expects the line to start with a
+@[@ then find the section name, and finally a @]@.  The section name may be
+surrounded by any number of white space characters (see 'eatWhiteSpace').
+-}
 secParser :: Parser IniFile
-secParser = let
-        validSecNameChrs = ['a'..'z'] ++ ['A'..'Z'] ++ ['0'..'9'] ++ "._-/@\" "
-    in do
-        char '['
-        eatWhiteSpace
-        sn <- many1 $ oneOf validSecNameChrs
-        eatWhiteSpace
-        char ']'
-        manyTill anyChar newline
-        return $ SectionL sn
+secParser =
+    let
+        validSecNameChrs = ['a' .. 'z'] ++ ['A' .. 'Z'] ++ ['0' .. '9'] ++ "._-/@\" "
+     in
+        do
+            char '['
+            eatWhiteSpace
+            sn <- many1 $ oneOf validSecNameChrs
+            eatWhiteSpace
+            char ']'
+            manyTill anyChar newline
+            return $ SectionL sn
 
--- | Parser for a single line of an option.  The line must start with an option
--- name, then a @=@ must be found, and finally the rest of the line is taken as
--- the option value.  The equal sign may be surrounded by any number of white
--- space characters (see 'eatWhiteSpace').
+{- | Parser for a single line of an option.  The line must start with an option
+name, then a @=@ must be found, and finally the rest of the line is taken as
+the option value.  The equal sign may be surrounded by any number of white
+space characters (see 'eatWhiteSpace').
+-}
 optLineParser :: Parser IniFile
-optLineParser = let
-        validOptNameChrs = ['a'..'z'] ++ ['A'..'Z'] ++ ['0'..'9'] ++ "_-/@"
-    in do
-        on <- many1 $ oneOf validOptNameChrs
-        eatWhiteSpace
-        char '='
-        eatWhiteSpace
-        ov <- manyTill anyChar newline
-        return $ OptionL on ov
+optLineParser =
+    let
+        validOptNameChrs = ['a' .. 'z'] ++ ['A' .. 'Z'] ++ ['0' .. '9'] ++ "_-/@"
+     in
+        do
+            on <- many1 $ oneOf validOptNameChrs
+            eatWhiteSpace
+            char '='
+            eatWhiteSpace
+            ov <- manyTill anyChar newline
+            return $ OptionL on ov
 
--- | Parser for an option-value continuation line.  The line must start with
--- either a space or a tab character (\"@ \t@\").  Everything else on the line,
--- until the newline character, is taken as the continuation of an option
--- value.
+{- | Parser for an option-value continuation line.  The line must start with
+either a space or a tab character (\"@ \t@\").  Everything else on the line,
+until the newline character, is taken as the continuation of an option
+value.
+-}
 optContParser :: Parser IniFile
 optContParser = do
     oneOf " \t"
     eatWhiteSpace
     oc <- noneOf " \t"
     ov <- manyTill anyChar newline
-    return $ OptionContL $ oc:ov
+    return $ OptionContL $ oc : ov
 
--- | Parser for "noise" in the configuration file, such as comments and empty
--- lines.  (Note that lines containing only space characters will be
--- successfully parsed by 'optContParser'.)
+{- | Parser for "noise" in the configuration file, such as comments and empty
+lines.  (Note that lines containing only space characters will be
+successfully parsed by 'optContParser'.)
+-}
 noiseParser :: Parser IniFile
-noiseParser = let
+noiseParser =
+    let
         commentP = do
             oneOf "#;"
             manyTill anyChar newline
         emptyL = newline >> return ""
-    in choice [commentP, emptyL] >> return CommentL
+     in
+        choice [commentP, emptyL] >> return CommentL
 
 iniParser :: Parser [IniFile]
 iniParser =
diff --git a/src/Data/Ini/Types.hs b/src/Data/Ini/Types.hs
--- a/src/Data/Ini/Types.hs
+++ b/src/Data/Ini/Types.hs
@@ -1,11 +1,12 @@
--- |
--- Module    : Data.Ini.Types
--- Copyright : 2011-2014 Magnus Therning
--- License   : BSD3
+{- |
+Module    : Data.Ini.Types
+Copyright : 2011-2014 Magnus Therning
+License   : BSD3
+-}
 module Data.Ini.Types where
 
-import qualified Data.Map as M
 import Control.Arrow (second)
+import qualified Data.Map as M
 
 type Config = M.Map SectionName Section
 
diff --git a/stack.yaml b/stack.yaml
deleted file mode 100644
--- a/stack.yaml
+++ /dev/null
@@ -1,10 +0,0 @@
-resolver: lts-11.11
-
-packages:
-  - '.'
-
-extra-deps: []
-
-flags: {}
-
-extra-package-dbs: []
diff --git a/tst/Ini.hs b/tst/Ini.hs
--- a/tst/Ini.hs
+++ b/tst/Ini.hs
@@ -1,9 +1,10 @@
-{-# OPTIONS_GHC -XTemplateHaskell #-}
+{-# LANGUAGE TemplateHaskell #-}
+
 -- Copyright : 2011-2014 Magnus Therning
 -- License   : BSD3
-module Ini
-    ( allTests
-    ) where
+module Ini (
+    allTests,
+) where
 
 -- {{{1 imports
 import Data.Maybe
@@ -18,54 +19,58 @@
 -- adding and then deleting a section is a no-op (if the section doesn't exist
 -- already)
 prop_secAddDel sn cfglst = delSection sn (setOption sn "foo" "bar" cfg2) == cfg2
-    where
-        cfg = cfgFromList cfglst
-        cfg2 = delSection sn cfg -- must make sure the section doesn't exist before adding
+  where
+    cfg = cfgFromList cfglst
+    cfg2 = delSection sn cfg -- must make sure the section doesn't exist before adding
 
 -- after adding a section the config has such a section
 prop_secAddHas sn cfglst = hasSection sn (setOption sn "foo" "bar" cfg)
-    where cfg = cfgFromList cfglst
+  where
+    cfg = cfgFromList cfglst
 
 -- after adding a section it's possible to get it
 prop_secAddGet sn cfglst = isJust $ getSection sn (setOption sn "foo" "bar" cfg)
-    where cfg = cfgFromList cfglst
+  where
+    cfg = cfgFromList cfglst
 
 -- after deleting a section it's gone
 prop_secDelGet sn cfglst = isNothing $ getSection sn $ delSection sn cfg2
-    where
-        cfg = cfgFromList cfglst
-        cfg2 = setOption sn "foo" "bar" cfg
+  where
+    cfg = cfgFromList cfglst
+    cfg2 = setOption sn "foo" "bar" cfg
 
 -- {{{1 option properties
 -- setting and then deleting an option is a no-op (if the option doesn't exist
 -- already)
 prop_optSetDel sn on ov cfglst = delOption sn on (setOption sn on ov cfg) == cfg2
-    where
-        cfg = cfgFromList cfglst
-        cfg2 = delOption sn on cfg
+  where
+    cfg = cfgFromList cfglst
+    cfg2 = delOption sn on cfg
 
 -- after setting an option it's there
 prop_optSetHas sn on ov cfglst = hasOption sn on (setOption sn on ov cfg)
-    where cfg = cfgFromList cfglst
+  where
+    cfg = cfgFromList cfglst
 
 -- after setting an option it's possible to get it
 prop_optSetGet sn on ov cfglst = isJust $ getOption sn on $ setOption sn on ov cfg
-    where cfg = cfgFromList cfglst
+  where
+    cfg = cfgFromList cfglst
 
 -- after deleting a section it's gone
 prop_optDelGet sn on ov cfglst = isNothing $ getOption sn on $ delOption sn on cfg2
-    where
-        cfg = cfgFromList cfglst
-        cfg2 = setOption sn on ov cfg
+  where
+    cfg = cfgFromList cfglst
+    cfg2 = setOption sn on ov cfg
 
 -- getting all items
-prop_optAllItems cfglst = (length _cfglst > 0) ==> lstItems == (allItems sn cfg)
-    where
-        cfg = cfgFromList cfglst
-        _cfglst = cfgToList cfg
-        -- sn = head . sort $ map fst _cfglst
-        sn = head $ map fst _cfglst
-        lstItems = fromJust $ lookup sn _cfglst
+prop_optAllItems cfglst = not (null _cfglst) ==> lstItems == allItems sn cfg
+  where
+    cfg = cfgFromList cfglst
+    _cfglst = cfgToList cfg
+    -- sn = head . sort $ map fst _cfglst
+    sn = head $ map fst _cfglst
+    lstItems = fromJust $ lookup sn _cfglst
 
 -- {{{1 allTests
 allTests :: TestTree
diff --git a/tst/ReaderI.hs b/tst/ReaderI.hs
--- a/tst/ReaderI.hs
+++ b/tst/ReaderI.hs
@@ -1,10 +1,11 @@
 {-# LANGUAGE FlexibleContexts #-}
-{-# OPTIONS_GHC -XTemplateHaskell #-}
+{-# LANGUAGE TemplateHaskell #-}
+
 -- Copyright : 2011-2014 Magnus Therning
 -- License   : BSD3
-module ReaderI
-    (allTests
-    ) where
+module ReaderI (
+    allTests,
+) where
 
 import Test.Tasty
 import Test.Tasty.HUnit
@@ -15,142 +16,192 @@
 
 -- Convenience function that translates a parser result to something that's
 -- easier to check.
-p2E p s t = let
+p2E p s t =
+    let
         res = P.parse p s t
-    in case res of
-        Left _ -> Left "bad"
-        Right e -> Right e
+     in
+        case res of
+            Left _ -> Left "bad"
+            Right e -> Right e
 
 -- {{{1 secParser
-case_secParserAllowedChars1 = let
+case_secParserAllowedChars1 =
+    let
         expected = Right $ SectionL "foo"
         actual = p2E secParser "sec" "[foo]\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
-case_secParserAllowedChars2 = let
+case_secParserAllowedChars2 =
+    let
         expected = Right $ SectionL "FooBar"
         actual = p2E secParser "sec" "[FooBar]\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
-case_secParserAllowedChars3 = let
+case_secParserAllowedChars3 =
+    let
         expected = Right $ SectionL "@Foo/Bar-"
         actual = p2E secParser "sec" "[@Foo/Bar-]\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
-case_secParserAllowedChars4 = let
+case_secParserAllowedChars4 =
+    let
         expected = Right $ SectionL "foo123"
         actual = p2E secParser "sec" "[foo123]\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
-case_secParserAllowedChars5 = let
+case_secParserAllowedChars5 =
+    let
         expected = Right $ SectionL "_foo"
         actual = p2E secParser "sec" "[_foo]\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
-case_secParserDropSpace = let
+case_secParserDropSpace =
+    let
         expected = Right $ SectionL "foo"
         actual = p2E secParser "sec" "[ \tfoo\t ]\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
-case_secParserDropTrailing = let
+case_secParserDropTrailing =
+    let
         expected = Right $ SectionL "foo"
         actual = p2E secParser "sec" "[foo]  \t foobar\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
-case_secParserAllowGit1 = let
+case_secParserAllowGit1 =
+    let
         expected = Right $ SectionL "branch \"master\""
         actual = p2E secParser "sec" "[branch \"master\"]\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
-case_secParserAllowGit2 = let
+case_secParserAllowGit2 =
+    let
         expected = Right $ SectionL "foo \"bar.baz\""
         actual = p2E secParser "sec" "[foo \"bar.baz\"]\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
 -- {{{1 optLineParser
-case_optLineParserAllowedChars1 = let
+case_optLineParserAllowedChars1 =
+    let
         expected = Right $ OptionL "foo" "bar"
         actual = p2E optLineParser "optLine" "foo=bar\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
-case_optLineParserAllowedChars2 = let
+case_optLineParserAllowedChars2 =
+    let
         expected = Right $ OptionL "Foo" "bAr"
         actual = p2E optLineParser "optLine" "Foo=bAr\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
-case_optLineParserAllowedChars3 = let
+case_optLineParserAllowedChars3 =
+    let
         expected = Right $ OptionL "foo@/foo-" "bar"
         actual = p2E optLineParser "optLine" "foo@/foo-=bar\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
-case_optLineParserAllowedChars4 = let
+case_optLineParserAllowedChars4 =
+    let
         expected = Right $ OptionL "foo123" "bar"
         actual = p2E optLineParser "optLine" "foo123=bar\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
-case_optLineParserAllowedChars5 = let
+case_optLineParserAllowedChars5 =
+    let
         expected = Right $ OptionL "_foo" "bar"
         actual = p2E optLineParser "optLine" "_foo=bar\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
-case_optLineParserDisallowedChars1 = let
+case_optLineParserDisallowedChars1 =
+    let
         expected = Left "bad"
         actual = p2E optLineParser "optLine" "foo.bar=baz\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
-case_optLineParserDropSpace = let
+case_optLineParserDropSpace =
+    let
         expected = Right $ OptionL "foo" "bar"
         actual = p2E optLineParser "optLine" "foo\t \t=\t \t bar\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
-case_optLineParserKeepSpace = let
+case_optLineParserKeepSpace =
+    let
         expected = Right $ OptionL "foo" "bar \t \t"
         actual = p2E optLineParser "optLine" "foo\t \t=\t \t bar \t \t\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
 -- {{{1 optContParser
-case_optContParserSpace = let
+case_optContParserSpace =
+    let
         expected = Right $ OptionContL "foo"
         actual = p2E optContParser "optCont" " foo\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
-case_optContParserTab = let
-        expected = Right $OptionContL "foo"
+case_optContParserTab =
+    let
+        expected = Right $ OptionContL "foo"
         actual = p2E optContParser "optCont" "\tfoo\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
-case_optContParserKeepTrailing = let
+case_optContParserKeepTrailing =
+    let
         expected = Right $ OptionContL "foo  \t\t"
         actual = p2E optContParser "optCont" "\tfoo  \t\t\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
 -- {{{1 noiseParser
-case_noiseParserEmptyLine = let
+case_noiseParserEmptyLine =
+    let
         expected = Right CommentL
         actual = p2E noiseParser "noise" "\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
-case_noiseParserComment1 = let
+case_noiseParserComment1 =
+    let
         expected = Right CommentL
         actual = p2E noiseParser "noise" "# a comment\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
-case_noiseParserComment2 = let
+case_noiseParserComment2 =
+    let
         expected = Right CommentL
         actual = p2E noiseParser "noise" "; another comment\n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
-case_noiseParserNonEmpty = let
+case_noiseParserNonEmpty =
+    let
         expected = Left "bad"
         actual = p2E noiseParser "noise" " \n"
-    in expected @=? actual
+     in
+        expected @=? actual
 
 -- {{{1 iniParser
 case_iniParserEmpty :: Assertion
 case_iniParserEmpty = expected @=? actual
-    where
-        expected = Right []
-        actual = p2E iniParser "parsing empty file" ""
+  where
+    expected = Right []
+    actual = p2E iniParser "parsing empty file" ""
 
 -- {{{1 buildConfig
 -- TBD