Use implicit Prelude (#6187)

* Use implicit Prelude

The previous behavior was introduced as a fix for #4464. It seems that
this change alone did not fix the issue, and `stack ghci` and `cabal
repl` only work with GHC 8.4.1 or newer, as no custom Prelude is loaded
for these versions. Given this, it seems cleaner to revert to the
implicit Prelude.

* PandocMonad: remove outdated check for base version

Only base versions 4.9 and later are supported, the check for
`MIN_VERSION_base(4,8,0)` is therefore unnecessary.

* Always use custom prelude

Previously, the custom prelude was used only with older GHC versions, as
a workaround for problems with ghci. The ghci problems are resolved by
replacing package `base` with `base-noprelude`, allowing for consistent
use of the custom prelude across all GHC versions.

pandoc.cabal

@@ -377,7 +377,8 @@ flag trypandoc
   Default:       False
 
 library
-  build-depends: base >= 4.9 && < 5,
+  build-depends: base-noprelude >= 4.9 && < 5,
+                 base-compat >= 0.9,
                  syb >= 0.1 && < 0.8,
                  containers >= 0.4.2.1 && < 0.7,
                  unordered-containers >= 0.2 && < 0.3,
@@ -440,10 +441,6 @@ library
      build-depends: basement >= 0.0.10,
                     foundation >= 0.0.23
                     -- basement 0.0.9 won't build on 32-bit windows.
-  if impl(ghc < 8.4)
-     hs-source-dirs: prelude
-     other-modules:  Prelude
-     build-depends:  base-compat >= 0.9
   if os(windows)
     cpp-options:      -D_WINDOWS
   else
@@ -471,7 +468,8 @@ library
 
   default-language: Haskell2010
   other-extensions: NoImplicitPrelude
-  hs-source-dirs:  src
+  hs-source-dirs:  src,
+                   prelude
 
   exposed-modules: Text.Pandoc,
                    Text.Pandoc.App,
@@ -565,7 +563,8 @@ library
                    Text.Pandoc.ImageSize,
                    Text.Pandoc.BCP47,
                    Text.Pandoc.Class
-  other-modules:   Text.Pandoc.App.CommandLineOptions,
+  other-modules:   Prelude,
+                   Text.Pandoc.App.CommandLineOptions,
                    Text.Pandoc.App.FormatHeuristics,
                    Text.Pandoc.App.Opt,
                    Text.Pandoc.App.OutputSettings,
@@ -640,19 +639,19 @@ library
   buildable:       True
 
 executable pandoc
-  build-depends: pandoc, base >= 4.8 && < 5
+  build-depends:   pandoc,
-  if impl(ghc < 8.4)
+                   base-noprelude >= 4.8 && < 5,
-     hs-source-dirs: prelude
+                   base-compat >= 0.9
-     other-modules:  Prelude
-     build-depends:  base-compat >= 0.9
   if flag(static)
     ld-options:     -static
   default-language: Haskell2010
   other-extensions: NoImplicitPrelude
   hs-source-dirs:  .
+                   prelude
   main-is:         pandoc.hs
   buildable:       True
-  other-modules:   Paths_pandoc
+  other-modules:   Paths_pandoc,
+                   Prelude
   ghc-options:     -rtsopts -with-rtsopts=-K16m -threaded
                    -Wall -fno-warn-unused-do-bind
                    -Wincomplete-record-updates
@@ -667,19 +666,16 @@ executable pandoc
 
 executable trypandoc
   main-is:         trypandoc.hs
-  hs-source-dirs:  trypandoc
+  hs-source-dirs:  trypandoc, prelude
   default-language: Haskell2010
   other-extensions: NoImplicitPrelude
+  other-modules:    Prelude
   if flag(trypandoc)
-    build-depends: base, aeson, pandoc,
+    build-depends: base-noprelude, base-compat >= 0.9, aeson, pandoc,
                    text, wai-extra, wai >= 0.3, http-types
     buildable:     True
   else
     buildable:     False
-  if impl(ghc < 8.4)
-     hs-source-dirs: prelude
-     other-modules:  Prelude
-     build-depends:  base-compat >= 0.9
   ghc-options:     -rtsopts -with-rtsopts=-K16m -threaded
                    -Wall -fno-warn-unused-do-bind
                    -Wincomplete-record-updates
@@ -695,18 +691,16 @@ executable trypandoc
 benchmark weigh-pandoc
   type:            exitcode-stdio-1.0
   main-is:         weigh-pandoc.hs
-  hs-source-dirs:  benchmark
+  hs-source-dirs:  benchmark,
+                   prelude
   build-depends:   pandoc,
-                   base >= 4.8 && < 5,
+                   base-noprelude >= 4.8 && < 5,
+                   base-compat >= 0.9,
                    text,
                    weigh >= 0.0 && < 0.1,
                    mtl >= 2.2 && < 2.3
-  if impl(ghc < 8.4)
-     hs-source-dirs: prelude
-     other-modules:  Prelude
-     build-depends:  base-compat >= 0.9
   default-language: Haskell2010
-  other-extensions: NoImplicitPrelude
+  other-modules:   Prelude
   ghc-options:     -rtsopts -with-rtsopts=-K16m -threaded
                    -Wall -fno-warn-unused-do-bind
                    -Wincomplete-record-updates
@@ -723,8 +717,10 @@ benchmark weigh-pandoc
 test-suite test-pandoc
   type:           exitcode-stdio-1.0
   main-is:        test-pandoc.hs
-  hs-source-dirs: test
+  hs-source-dirs: test,
-  build-depends:  base >= 4.8 && < 5,
+                  prelude
+  build-depends:  base-noprelude >= 4.8 && < 5,
+                  base-compat >= 0.9,
                   pandoc,
                   pandoc-types >= 1.20 && < 1.21,
                   mtl >= 2.2 && < 2.3,
@@ -750,11 +746,8 @@ test-suite test-pandoc
                   xml >= 1.3.12 && < 1.4,
                   doctemplates >= 0.8 && < 0.9,
                   Glob >= 0.7 && < 0.11
-  if impl(ghc < 8.4)
+  other-modules:  Prelude
-     hs-source-dirs: prelude
+                  Tests.Old
-     other-modules:  Prelude
-     build-depends:  base-compat >= 0.9
-  other-modules:  Tests.Old
                   Tests.Command
                   Tests.Helpers
                   Tests.Lua
@@ -809,7 +802,6 @@ test-suite test-pandoc
   if os(windows)
     cpp-options:      -D_WINDOWS
   default-language: Haskell2010
-  other-extensions: NoImplicitPrelude
   ghc-options:     -rtsopts -with-rtsopts=-K16m -threaded
                    -Wall -fno-warn-unused-do-bind
                    -Wincomplete-record-updates
@@ -826,19 +818,17 @@ test-suite test-pandoc
 benchmark benchmark-pandoc
   type:            exitcode-stdio-1.0
   main-is:         benchmark-pandoc.hs
-  hs-source-dirs:  benchmark
+  hs-source-dirs:  benchmark,
+                   prelude
   build-depends:   pandoc,
                    time, bytestring, containers,
-                   base >= 4.8 && < 5,
+                   base-noprelude >= 4.8 && < 5,
+                   base-compat >= 0.9,
                    text >= 1.1.1.0 && < 1.3,
                    mtl >= 2.2 && < 2.3,
                    criterion >= 1.0 && < 1.6
-  if impl(ghc < 8.4)
-     hs-source-dirs: prelude
-     other-modules:  Prelude
-     build-depends:  base-compat >= 0.9
   default-language: Haskell2010
-  other-extensions: NoImplicitPrelude
+  other-modules:    Prelude
   ghc-options:     -rtsopts -with-rtsopts=-K16m -threaded
                    -Wall -fno-warn-unused-do-bind
                    -Wincomplete-record-updates

prelude/Prelude.hs

@@ -1,6 +1,4 @@
 {-# LANGUAGE NoImplicitPrelude #-}
-{-# LANGUAGE PackageImports #-}
-{-# LANGUAGE CPP #-}
 
 -- The intent is that this Prelude provide the API of
 -- the base 4.11 Prelude in a way that is portable for

src/Text/Pandoc/App.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude   #-}
 {-# LANGUAGE OverloadedStrings   #-}
 {-# LANGUAGE CPP                 #-}
 {-# LANGUAGE ScopedTypeVariables #-}
@@ -23,7 +22,6 @@ module Text.Pandoc.App (
           , options
           , applyFilters
           ) where
-import Prelude
 import qualified Control.Exception as E
 import Control.Monad
 import Control.Monad.Trans

src/Text/Pandoc/App/CommandLineOptions.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude   #-}
 {-# LANGUAGE CPP                 #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE TupleSections       #-}
@@ -22,7 +21,6 @@ module Text.Pandoc.App.CommandLineOptions (
           , lookupHighlightStyle
           , setVariable
           ) where
-import Prelude
 import Control.Monad
 import Control.Monad.Trans
 import Control.Monad.Except (throwError)
@@ -32,7 +30,7 @@ import Data.Bifunctor (second)
 import Data.Char (toLower)
 import Data.List (intercalate, sort)
 #ifdef _WINDOWS
-#if MIN_VERSION_base(4,12,0)
+#if MIN_VERSION_base_noprelude(4,12,0)
 import Data.List (isPrefixOf)
 #endif
 #endif
@@ -1030,7 +1028,7 @@ setVariable key val (Context ctx) = Context $ M.alter go key ctx
 -- beginning with \\ to \\?\UNC\. -- See #5127.
 normalizePath :: FilePath -> FilePath
 #ifdef _WINDOWS
-#if MIN_VERSION_base(4,12,0)
+#if MIN_VERSION_base_noprelude(4,12,0)
 normalizePath fp =
   if "\\\\" `isPrefixOf` fp && not ("\\\\?\\" `isPrefixOf` fp)
     then "\\\\?\\UNC\\" ++ drop 2 fp

src/Text/Pandoc/App/FormatHeuristics.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Text.Pandoc.App.FormatHeuristics
@@ -15,7 +14,6 @@ module Text.Pandoc.App.FormatHeuristics
   ( formatFromFilePaths
   ) where
 
-import Prelude
 import Data.Char (toLower)
 import Data.Text (Text)
 import System.FilePath (takeExtension)

src/Text/Pandoc/App/Opt.hs

@@ -1,6 +1,5 @@
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE OverloadedStrings   #-}
-{-# LANGUAGE NoImplicitPrelude   #-}
 {-# LANGUAGE CPP                 #-}
 {-# LANGUAGE DeriveGeneric       #-}
 {-# LANGUAGE TemplateHaskell     #-}
@@ -23,7 +22,6 @@ module Text.Pandoc.App.Opt (
           , defaultOpts
           , addMeta
           ) where
-import Prelude
 import Data.Char (isLower, toLower)
 import GHC.Generics hiding (Meta)
 import Text.Pandoc.Builder (setMeta)

src/Text/Pandoc/App/OutputSettings.hs

@@ -1,6 +1,5 @@
 {-# LANGUAGE CPP                 #-}
 {-# LANGUAGE FlexibleContexts    #-}
-{-# LANGUAGE NoImplicitPrelude   #-}
 {-# LANGUAGE OverloadedStrings   #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE TupleSections       #-}
@@ -19,7 +18,6 @@ module Text.Pandoc.App.OutputSettings
   ( OutputSettings (..)
   , optToOutputSettings
   ) where
-import Prelude
 import qualified Data.Map as M
 import qualified Data.Text as T
 import Text.DocTemplates (toVal, Context(..), Val(..))

src/Text/Pandoc/Asciify.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
    Module      : Text.Pandoc.Asciify
    Copyright   : Copyright (C) 2013-2020 John MacFarlane
@@ -13,7 +12,6 @@ ascii equivalents (used in constructing HTML identifiers).
 -}
 module Text.Pandoc.Asciify (toAsciiChar)
 where
-import Prelude
 import Data.Char (isAscii)
 import qualified Data.Map as M
 

src/Text/Pandoc/BCP47.hs

@@ -1,5 +1,4 @@
 {-# LANGUAGE OverloadedStrings #-}
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
    Module      : Text.Pandoc.BCP47
    Copyright   : Copyright (C) 2017–2020 John MacFarlane
@@ -18,7 +17,6 @@ module Text.Pandoc.BCP47 (
                      , renderLang
                      )
 where
-import Prelude
 import Control.Monad (guard)
 import Data.Char (isAlphaNum, isAscii, isLetter, isLower, isUpper)
 import Text.Pandoc.Definition

src/Text/Pandoc/CSS.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
 Module      : Text.Pandoc.CSS
 Copyright   : © 2006-2020 John MacFarlane <jgm@berkeley.edu>,
@@ -18,7 +17,6 @@ module Text.Pandoc.CSS ( foldOrElse
                        )
 where
 
-import Prelude
 import qualified Data.Text as T
 import Text.Pandoc.Shared (trim)
 import Text.Parsec

src/Text/Pandoc/CSV.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
    Module      : Text.Pandoc.CSV
    Copyright   : Copyright (C) 2017–2020 John MacFarlane <jgm@berkeley.edu>
@@ -17,7 +16,6 @@ module Text.Pandoc.CSV (
   ParseError
 ) where
 
-import Prelude
 import Control.Monad (unless, void)
 import Data.Text (Text)
 import qualified Data.Text as T

src/Text/Pandoc/Class.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE CPP #-}
 {-# LANGUAGE PatternGuards #-}
 {-# LANGUAGE DeriveFunctor #-}

src/Text/Pandoc/Class/PandocMonad.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE CPP #-}
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE FlexibleInstances #-}
@@ -53,7 +52,6 @@ module Text.Pandoc.Class.PandocMonad
   , makeCanonical
   ) where
 
-import Prelude
 import Codec.Archive.Zip
 import Control.Monad.Except (MonadError (catchError, throwError),
                              MonadTrans, lift, when)

src/Text/Pandoc/Data.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE TemplateHaskell #-}
 {- |
 Module      : Text.Pandoc.Data
@@ -13,7 +12,6 @@ Provide contents data files as Haskell values.
 -}
 module Text.Pandoc.Data (dataFiles) where
 
-import Prelude
 import qualified Data.ByteString as B
 import Data.FileEmbed
 import System.FilePath (splitDirectories)

src/Text/Pandoc/Emoji.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Text.Pandoc.Emoji
@@ -12,7 +11,6 @@
 Emoji symbol lookup from canonical string identifier.
 -}
 module Text.Pandoc.Emoji ( emojis, emojiToInline ) where
-import Prelude
 import qualified Text.Emoji as E
 import Text.Pandoc.Definition (Inline (Span, Str))
 import Data.Text (Text)

src/Text/Pandoc/Error.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude  #-}
 {-# LANGUAGE DeriveDataTypeable #-}
 {-# LANGUAGE DeriveGeneric      #-}
 {-# LANGUAGE OverloadedStrings  #-}
@@ -19,7 +18,6 @@ module Text.Pandoc.Error (
   PandocError(..),
   handleError) where
 
-import Prelude
 import Control.Exception (Exception)
 import Data.Typeable (Typeable)
 import Data.Word (Word8)

src/Text/Pandoc/Extensions.hs

@@ -1,5 +1,4 @@
 {-# LANGUAGE CPP                        #-}
-{-# LANGUAGE NoImplicitPrelude          #-}
 {-# LANGUAGE DeriveDataTypeable         #-}
 {-# LANGUAGE DeriveGeneric              #-}
 {-# LANGUAGE GeneralizedNewtypeDeriving #-}
@@ -33,7 +32,6 @@ module Text.Pandoc.Extensions ( Extension(..)
                               , githubMarkdownExtensions
                               , multimarkdownExtensions )
 where
-import Prelude
 import Data.Bits (clearBit, setBit, testBit, (.|.))
 import Data.Data (Data)
 import qualified Data.Text as T

src/Text/Pandoc/Filter.hs

@@ -1,6 +1,5 @@
 {-# LANGUAGE CPP               #-}
 {-# LANGUAGE DeriveGeneric     #-}
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE TemplateHaskell   #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
@@ -19,7 +18,6 @@ module Text.Pandoc.Filter
   , applyFilters
   ) where
 
-import Prelude
 import System.CPUTime (getCPUTime)
 import Data.Aeson.TH (deriveJSON, defaultOptions)
 import GHC.Generics (Generic)

src/Text/Pandoc/Filter/JSON.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Text.Pandoc.Filter
@@ -13,7 +12,6 @@ Programmatically modifications of pandoc documents via JSON filters.
 -}
 module Text.Pandoc.Filter.JSON (apply) where
 
-import Prelude
 import Control.Monad (unless, when)
 import Control.Monad.Trans (MonadIO (liftIO))
 import Data.Aeson (eitherDecode', encode)

src/Text/Pandoc/Filter/Lua.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
    Module      : Text.Pandoc.Filter.Lua
    Copyright   : Copyright (C) 2006-2020 John MacFarlane
@@ -12,7 +11,6 @@ Apply Lua filters to modify a pandoc documents programmatically.
 -}
 module Text.Pandoc.Filter.Lua (apply) where
 
-import Prelude
 import Control.Exception (throw)
 import Control.Monad ((>=>))
 import qualified Data.Text as T

src/Text/Pandoc/Filter/Path.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
    Module      : Text.Pandoc.Filter.Path
    Copyright   : Copyright (C) 2006-2020 John MacFarlane
@@ -14,7 +13,6 @@ module Text.Pandoc.Filter.Path
   ( expandFilterPath
   ) where
 
-import Prelude
 import Text.Pandoc.Class (PandocMonad, fileExists, getUserDataDir)
 import System.FilePath ((</>), isRelative)
 

src/Text/Pandoc/Highlighting.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Text.Pandoc.Highlighting
@@ -34,7 +33,6 @@ module Text.Pandoc.Highlighting ( highlightingStyles
                                 , fromListingsLanguage
                                 , toListingsLanguage
                                 ) where
-import Prelude
 import Control.Monad
 import qualified Data.Map as M
 import Data.Maybe (fromMaybe)

src/Text/Pandoc/Image.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings, ScopedTypeVariables, CPP #-}
 {-# LANGUAGE ViewPatterns      #-}
 {- |
@@ -13,7 +12,6 @@ Portability : portable
 Functions for converting images.
 -}
 module Text.Pandoc.Image ( svgToPng ) where
-import Prelude
 import Text.Pandoc.Options (WriterOptions(..))
 import Text.Pandoc.Process (pipeProcess)
 import qualified Data.ByteString.Lazy as L

src/Text/Pandoc/ImageSize.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings, ScopedTypeVariables, CPP #-}
 {-# LANGUAGE ViewPatterns      #-}
 {-# OPTIONS_GHC -fno-warn-type-defaults #-}
@@ -33,7 +32,6 @@ module Text.Pandoc.ImageSize ( ImageType(..)
                              , showInPixel
                              , showFl
                              ) where
-import Prelude
 import Data.ByteString (ByteString, unpack)
 import qualified Data.ByteString.Char8 as B
 import qualified Data.ByteString.Lazy as BL

src/Text/Pandoc/Logging.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE DeriveDataTypeable #-}
 {-# LANGUAGE DeriveGeneric      #-}
 {-# LANGUAGE OverloadedStrings  #-}
@@ -23,7 +22,6 @@ module Text.Pandoc.Logging (
   , messageVerbosity
   ) where
 
-import Prelude
 import Control.Monad (mzero)
 import Data.YAML (withStr, FromYAML(..))
 import Data.Aeson

src/Text/Pandoc/Lua.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
    Module      : Text.Pandoc.Lua
    Copyright   : Copyright © 2017–2020 Albert Krewinkel

src/Text/Pandoc/Lua/Filter.hs

@@ -1,5 +1,4 @@
 {-# LANGUAGE FlexibleContexts  #-}
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
 Module      : Text.Pandoc.Lua.Filter
 Copyright   : © 2012–2020 John MacFarlane,
@@ -17,7 +16,6 @@ module Text.Pandoc.Lua.Filter ( LuaFilterFunction
                               , walkBlocks
                               , module Text.Pandoc.Lua.Walk
                               ) where
-import Prelude
 import Control.Applicative ((<|>))
 import Control.Monad (mplus, (>=>))
 import Control.Monad.Catch (finally)

src/Text/Pandoc/Lua/Global.hs

@@ -1,5 +1,4 @@
 {-# LANGUAGE DeriveDataTypeable #-}
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
    Module      : Text.Pandoc.Lua
    Copyright   : Copyright © 2017-2020 Albert Krewinkel
@@ -15,7 +14,6 @@ module Text.Pandoc.Lua.Global
   , setGlobals
   ) where
 
-import Prelude
 import Data.Data (Data)
 import Foreign.Lua (Lua, Peekable, Pushable)
 import Foreign.Lua.Userdata ( ensureUserdataMetatable, pushAnyWithMetatable

src/Text/Pandoc/Lua/Init.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
    Module      : Text.Pandoc.Lua
    Copyright   : Copyright © 2017-2020 Albert Krewinkel
@@ -16,7 +15,6 @@ module Text.Pandoc.Lua.Init
   , luaPackageParams
   ) where
 
-import Prelude
 import Control.Monad.Trans (MonadIO (..))
 import Data.Data (Data, dataTypeConstrs, dataTypeOf, showConstr)
 import Foreign.Lua (Lua)

src/Text/Pandoc/Lua/Marshaling/AST.hs

@@ -1,5 +1,4 @@
 {-# OPTIONS_GHC -fno-warn-orphans #-}
-{-# LANGUAGE NoImplicitPrelude    #-}
 {-# LANGUAGE LambdaCase           #-}
 {- |
    Module      : Text.Pandoc.Lua.Marshaling.AST
@@ -17,7 +16,6 @@ module Text.Pandoc.Lua.Marshaling.AST
   , LuaListAttributes (..)
   ) where
 
-import Prelude
 import Control.Applicative ((<|>))
 import Foreign.Lua (Lua, Peekable, Pushable, StackIndex)
 import Text.Pandoc.Definition

src/Text/Pandoc/Lua/Marshaling/AnyValue.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude    #-}
 {- |
    Module      : Text.Pandoc.Lua.Marshaling.AnyValue
    Copyright   : © 2017-2020 Albert Krewinkel
@@ -15,7 +14,6 @@ into HsLua.
 -}
 module Text.Pandoc.Lua.Marshaling.AnyValue (AnyValue (..)) where
 
-import Prelude
 import Foreign.Lua (Peekable (peek), StackIndex)
 
 -- | Dummy type to allow values of arbitrary Lua type. This just wraps

src/Text/Pandoc/Lua/Marshaling/CommonState.hs

@@ -1,6 +1,5 @@
 {-# OPTIONS_GHC -fno-warn-orphans #-}
 {-# LANGUAGE LambdaCase           #-}
-{-# LANGUAGE NoImplicitPrelude    #-}
 {-# LANGUAGE OverloadedStrings    #-}
 {- |
    Module      : Text.Pandoc.Lua.Marshaling.CommonState
@@ -14,7 +13,6 @@ Instances to marshal (push) and unmarshal (peek) the common state.
 -}
 module Text.Pandoc.Lua.Marshaling.CommonState () where
 
-import Prelude
 import Foreign.Lua (Lua, Peekable, Pushable)
 import Foreign.Lua.Types.Peekable (reportValueOnFailure)
 import Foreign.Lua.Userdata (ensureUserdataMetatable, pushAnyWithMetatable,

src/Text/Pandoc/Lua/Marshaling/Context.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude    #-}
 {-# OPTIONS_GHC -fno-warn-orphans #-}
 {- |
    Module      : Text.Pandoc.Lua.Marshaling.Context
@@ -13,7 +12,6 @@ Marshaling instance for doctemplates Context and its components.
 -}
 module Text.Pandoc.Lua.Marshaling.Context () where
 
-import Prelude
 import qualified Foreign.Lua as Lua
 import Foreign.Lua (Pushable)
 import Text.DocTemplates (Context(..), Val(..), TemplateTarget)

src/Text/Pandoc/Lua/Marshaling/List.hs

@@ -1,7 +1,6 @@
 {-# LANGUAGE DeriveDataTypeable   #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE MultiParamTypeClasses #-}
-{-# LANGUAGE NoImplicitPrelude    #-}
 {-# LANGUAGE UndecidableInstances #-}
 {- |
 Module      : Text.Pandoc.Lua.Marshaling.List
@@ -17,7 +16,6 @@ module Text.Pandoc.Lua.Marshaling.List
   ( List (..)
   ) where
 
-import Prelude
 import Data.Data (Data)
 import Foreign.Lua (Peekable, Pushable)
 import Text.Pandoc.Walk (Walkable (..))

src/Text/Pandoc/Lua/Marshaling/MediaBag.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude    #-}
 {- |
    Module      : Text.Pandoc.Lua.Marshaling.MediaBag
    Copyright   : © 2012-2020 John MacFarlane
@@ -11,7 +10,6 @@ Instances to marshal (push) and unmarshal (peek) media data.
 -}
 module Text.Pandoc.Lua.Marshaling.MediaBag (pushIterator) where
 
-import Prelude
 import Foreign.Ptr (Ptr)
 import Foreign.StablePtr (StablePtr, deRefStablePtr, newStablePtr)
 import Foreign.Lua (Lua, NumResults, Peekable, Pushable, StackIndex)

src/Text/Pandoc/Lua/Marshaling/ReaderOptions.hs

@@ -1,5 +1,4 @@
 {-# LANGUAGE LambdaCase           #-}
-{-# LANGUAGE NoImplicitPrelude    #-}
 {-# LANGUAGE OverloadedStrings    #-}
 {-# LANGUAGE ScopedTypeVariables  #-}
 {-# OPTIONS_GHC -fno-warn-orphans #-}
@@ -16,7 +15,6 @@ Marshaling instance for ReaderOptions and its components.
 -}
 module Text.Pandoc.Lua.Marshaling.ReaderOptions () where
 
-import Prelude
 import Data.Data (showConstr, toConstr)
 import Foreign.Lua (Lua, Pushable)
 import Text.Pandoc.Extensions (Extensions)

src/Text/Pandoc/Lua/Marshaling/Version.hs

@@ -1,6 +1,5 @@
 {-# OPTIONS_GHC -fno-warn-orphans #-}
 {-# LANGUAGE LambdaCase           #-}
-{-# LANGUAGE NoImplicitPrelude    #-}
 {-# LANGUAGE OverloadedStrings    #-}
 {-# LANGUAGE ScopedTypeVariables  #-}
 {- |
@@ -20,7 +19,6 @@ module Text.Pandoc.Lua.Marshaling.Version
   )
   where
 
-import Prelude
 import Data.Text (Text)
 import Data.Maybe (fromMaybe)
 import Data.Version (Version (..), makeVersion, parseVersion, showVersion)

src/Text/Pandoc/Lua/Module/MediaBag.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Text.Pandoc.Lua.Module.MediaBag
@@ -14,7 +13,6 @@ module Text.Pandoc.Lua.Module.MediaBag
   ( pushModule
   ) where
 
-import Prelude
 import Control.Monad (zipWithM_)
 import Foreign.Lua (Lua, NumResults, Optional, liftIO)
 import Text.Pandoc.Class (CommonState (..), fetchItem, putCommonState,

src/Text/Pandoc/Lua/Module/Pandoc.hs

@@ -1,5 +1,4 @@
 {-# LANGUAGE FlexibleContexts  #-}
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Text.Pandoc.Lua.Module.Pandoc
@@ -15,7 +14,6 @@ module Text.Pandoc.Lua.Module.Pandoc
   ( pushModule
   ) where
 
-import Prelude
 import Control.Monad (when)
 import Control.Monad.Except (throwError)
 import Data.Default (Default (..))

src/Text/Pandoc/Lua/Module/System.hs

@@ -12,7 +12,6 @@ module Text.Pandoc.Lua.Module.System
   ( pushModule
   ) where
 
-import Prelude
 import Foreign.Lua (Lua, NumResults)
 import Foreign.Lua.Module.System (arch, env, getwd, os,
                                   with_env, with_tmpdir, with_wd)

src/Text/Pandoc/Lua/Module/Types.hs

@@ -12,7 +12,6 @@ module Text.Pandoc.Lua.Module.Types
   ( pushModule
   ) where
 
-import Prelude
 import Data.Version (Version)
 import Foreign.Lua (Lua, NumResults)
 import Text.Pandoc.Definition

src/Text/Pandoc/Lua/Module/Utils.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
    Module      : Text.Pandoc.Lua.Module.Utils
    Copyright   : Copyright © 2017-2020 Albert Krewinkel
@@ -13,7 +12,6 @@ module Text.Pandoc.Lua.Module.Utils
   ( pushModule
   ) where
 
-import Prelude
 import Control.Applicative ((<|>))
 import Data.Default (def)
 import Data.Version (Version)

src/Text/Pandoc/Lua/Packages.hs

@@ -1,5 +1,4 @@
 {-# LANGUAGE FlexibleContexts #-}
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {- |
    Module      : Text.Pandoc.Lua.Packages
@@ -16,7 +15,6 @@ module Text.Pandoc.Lua.Packages
   , installPandocPackageSearcher
   ) where
 
-import Prelude
 import Control.Monad (forM_)
 import Data.ByteString (ByteString)
 import Foreign.Lua (Lua, NumResults, liftIO)

src/Text/Pandoc/Lua/Util.hs

@@ -1,6 +1,5 @@
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE LambdaCase #-}
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Text.Pandoc.Lua.Util
@@ -27,7 +26,6 @@ module Text.Pandoc.Lua.Util
   , dofileWithTraceback
   ) where
 
-import Prelude
 import Control.Monad (unless, when)
 import Foreign.Lua ( Lua, NumArgs, NumResults, Peekable, Pushable, StackIndex
                    , Status, ToHaskellFunction )

src/Text/Pandoc/Lua/Walk.hs

@@ -1,7 +1,6 @@
 {-# LANGUAGE DeriveTraversable #-}
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE FlexibleInstances #-}
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE MultiParamTypeClasses #-}
 {- |
 Module      : Text.Pandoc.Lua.Walk
@@ -18,7 +17,6 @@ module Text.Pandoc.Lua.Walk
   )
 where
 
-import Prelude
 import Control.Monad ((<=<))
 import Text.Pandoc.Definition
 import Text.Pandoc.Walk

src/Text/Pandoc/MIME.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Text.Pandoc.MIME
@@ -13,7 +12,6 @@ Mime type lookup.
 -}
 module Text.Pandoc.MIME ( MimeType, getMimeType, getMimeTypeDef,
                           extensionFromMimeType, mediaCategory ) where
-import Prelude
 import Data.List (isPrefixOf, isSuffixOf)
 import qualified Data.Map as M
 import qualified Data.Text as T

src/Text/Pandoc/MediaBag.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE CPP                        #-}
 {-# LANGUAGE DeriveDataTypeable         #-}
 {-# LANGUAGE GeneralizedNewtypeDeriving #-}
@@ -22,7 +21,6 @@ module Text.Pandoc.MediaBag (
                      mediaDirectory,
                      mediaItems
                      ) where
-import Prelude
 import qualified Data.ByteString.Lazy as BL
 import Data.Data (Data)
 import qualified Data.Map as M

src/Text/Pandoc/Options.hs

@@ -1,7 +1,6 @@
 {-# LANGUAGE CPP                #-}
 {-# LANGUAGE DeriveDataTypeable #-}
 {-# LANGUAGE DeriveGeneric      #-}
-{-# LANGUAGE NoImplicitPrelude  #-}
 {-# LANGUAGE TemplateHaskell    #-}
 {-# LANGUAGE OverloadedStrings  #-}
 {- |
@@ -33,7 +32,6 @@ module Text.Pandoc.Options ( module Text.Pandoc.Extensions
                            , defaultMathJaxURL
                            , defaultKaTeXURL
                            ) where
-import Prelude
 import Control.Applicative ((<|>))
 import Data.Char (toLower)
 import Data.Maybe (fromMaybe)

src/Text/Pandoc/PDF.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude   #-}
 {-# LANGUAGE CPP                 #-}
 {-# LANGUAGE OverloadedStrings   #-}
 {-# LANGUAGE ScopedTypeVariables #-}
@@ -15,7 +14,6 @@ Conversion of LaTeX documents to PDF.
 -}
 module Text.Pandoc.PDF ( makePDF ) where
 
-import Prelude
 import qualified Codec.Picture as JP
 import qualified Control.Exception as E
 import Control.Monad (when)

src/Text/Pandoc/Parsing.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude          #-}
 {-# LANGUAGE CPP                        #-}
 {-# LANGUAGE ExplicitForAll             #-}
 {-# LANGUAGE FlexibleContexts           #-}
@@ -186,7 +185,6 @@ module Text.Pandoc.Parsing ( take1WhileP,
                              )
 where
 
-import Prelude
 import Control.Monad.Identity
 import Control.Monad.Reader
 import Data.Char (chr, isAlphaNum, isAscii, isAsciiUpper,

src/Text/Pandoc/Process.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
    Module      : Text.Pandoc.Process
    Copyright   : Copyright (C) 2013-2020 John MacFarlane
@@ -12,7 +11,6 @@ ByteString variant of 'readProcessWithExitCode'.
 -}
 module Text.Pandoc.Process (pipeProcess)
 where
-import Prelude
 import Control.Concurrent (MVar, forkIO, killThread, newEmptyMVar, putMVar,
                            takeMVar)
 import Control.Exception (SomeException (..))

src/Text/Pandoc/Readers.hs

@@ -1,5 +1,4 @@
 {-# LANGUAGE MonoLocalBinds      #-}
-{-# LANGUAGE NoImplicitPrelude   #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE OverloadedStrings   #-}
 {- |
@@ -57,7 +56,6 @@ module Text.Pandoc.Readers
   , getDefaultExtensions
   ) where
 
-import Prelude
 import Control.Monad (unless)
 import Control.Monad.Except (throwError)
 import Data.Aeson

src/Text/Pandoc/Readers/CSV.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude   #-}
 {-# LANGUAGE FlexibleContexts    #-}
 
 {-# LANGUAGE ScopedTypeVariables #-}
@@ -14,7 +13,6 @@
 Conversion from CSV to a 'Pandoc' table.
 -}
 module Text.Pandoc.Readers.CSV ( readCSV ) where
-import Prelude
 import Data.Text (Text)
 import qualified Data.Text as T
 import Text.Pandoc.CSV (parseCSV, defaultCSVOptions)

src/Text/Pandoc/Readers/CommonMark.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE ViewPatterns      #-}
 {- |
@@ -17,7 +16,6 @@ CommonMark is a strongly specified variant of Markdown: http://commonmark.org.
 module Text.Pandoc.Readers.CommonMark (readCommonMark)
 where
 
-import Prelude
 import CMarkGFM
 import Control.Monad.State
 import qualified Data.Set as Set

src/Text/Pandoc/Readers/Creole.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Text.Pandoc.Readers.Creole
@@ -14,7 +13,6 @@ Conversion of creole text to 'Pandoc' document.
 module Text.Pandoc.Readers.Creole ( readCreole
                                   ) where
 
-import Prelude
 import Control.Monad.Except (guard, liftM2, throwError)
 import qualified Data.Foldable as F
 import Data.Maybe (fromMaybe)

src/Text/Pandoc/Readers/DocBook.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Text.Pandoc.Readers.DocBook
@@ -12,7 +11,6 @@
 Conversion of DocBook XML to 'Pandoc' document.
 -}
 module Text.Pandoc.Readers.DocBook ( readDocBook ) where
-import Prelude
 import Control.Monad.State.Strict
 import Data.Char (isSpace, toUpper)
 import Data.Default

src/Text/Pandoc/Readers/Docx.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE CPP               #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE PatternGuards     #-}
@@ -60,7 +59,6 @@ module Text.Pandoc.Readers.Docx
        ( readDocx
        ) where
 
-import Prelude
 import Codec.Archive.Zip
 import Control.Monad.Reader
 import Control.Monad.State.Strict

src/Text/Pandoc/Readers/Docx/Combine.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude    #-}
 {-# LANGUAGE FlexibleInstances    #-}
 {-# LANGUAGE PatternGuards        #-}
 {-# LANGUAGE OverloadedStrings    #-}
@@ -59,7 +58,6 @@ module Text.Pandoc.Readers.Docx.Combine ( smushInlines
                                         )
        where
 
-import Prelude
 import Data.List
 import Data.Sequence (ViewL (..), ViewR (..), viewl, viewr, (><), (|>))
 import qualified Data.Sequence as Seq (null)

src/Text/Pandoc/Readers/Docx/Fields.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Text.Pandoc.Readers.Docx.Fields
@@ -16,7 +15,6 @@ module Text.Pandoc.Readers.Docx.Fields ( FieldInfo(..)
                                        , parseFieldInfo
                                        ) where
 
-import Prelude
 import Data.Functor (($>), void)
 import qualified Data.Text as T
 import Text.Parsec

src/Text/Pandoc/Readers/Docx/Lists.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Text.Pandoc.Readers.Docx.Lists
@@ -18,7 +17,6 @@ module Text.Pandoc.Readers.Docx.Lists ( blocksToBullets
                                       , listParagraphStyles
                                       ) where
 
-import Prelude
 import Data.List
 import Data.Maybe
 import Data.String (fromString)

src/Text/Pandoc/Readers/Docx/Parse.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE ViewPatterns      #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
@@ -52,7 +51,6 @@ module Text.Pandoc.Readers.Docx.Parse ( Docx(..)
                                       , constructBogusParStyleData
                                       , leftBiasedMergeRunStyle
                                       ) where
-import Prelude
 import Text.Pandoc.Readers.Docx.Parse.Styles
 import Codec.Archive.Zip
 import Control.Applicative ((<|>))

src/Text/Pandoc/Readers/Docx/Parse/Styles.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE FlexibleContexts  #-}
 {-# LANGUAGE TypeFamilies      #-}
@@ -43,7 +42,6 @@ module Text.Pandoc.Readers.Docx.Parse.Styles (
   , defaultRunStyle
   , checkOnOff
   ) where
-import Prelude
 import Codec.Archive.Zip
 import Control.Applicative ((<|>))
 import Control.Monad.Except

src/Text/Pandoc/Readers/Docx/Util.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
    Module      : Text.Pandoc.Readers.Docx.StyleMaps
    Copyright   : © 2014-2020 Jesse Rosenthal <jrosenthal@jhu.edu>,
@@ -24,7 +23,6 @@ module Text.Pandoc.Readers.Docx.Util (
                                       , findAttrTextByName
                                       ) where
 
-import Prelude
 import Data.Maybe (mapMaybe)
 import qualified Data.Text as T
 import Text.XML.Light

src/Text/Pandoc/Readers/DokuWiki.hs

@@ -1,5 +1,4 @@
 {-# LANGUAGE FlexibleContexts  #-}
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE TupleSections     #-}
 {-# LANGUAGE ViewPatterns      #-}
@@ -16,7 +15,6 @@ Conversion of DokuWiki text to 'Pandoc' document.
 -}
 module Text.Pandoc.Readers.DokuWiki (readDokuWiki) where
 
-import Prelude
 import Control.Monad
 import Control.Monad.Except (throwError)
 import Data.Char (isAlphaNum, isDigit)

src/Text/Pandoc/Readers/EPUB.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE TupleSections     #-}
 {-# LANGUAGE ViewPatterns      #-}
 {-# LANGUAGE OverloadedStrings #-}
@@ -18,7 +17,6 @@ module Text.Pandoc.Readers.EPUB
   (readEPUB)
   where
 
-import Prelude
 import Codec.Archive.Zip (Archive (..), Entry, findEntryByPath, fromEntry,
                           toArchiveOrFail)
 import Control.DeepSeq (NFData, deepseq)

src/Text/Pandoc/Readers/FB2.hs

@@ -23,7 +23,6 @@ TODO:
 -}
 
 module Text.Pandoc.Readers.FB2 ( readFB2 ) where
-import Prelude
 import Control.Monad.Except (throwError)
 import Control.Monad.State.Strict
 import Data.ByteString.Lazy.Char8 ( pack )

src/Text/Pandoc/Readers/HTML.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude     #-}
 {-# LANGUAGE LambdaCase            #-}
 {-# LANGUAGE FlexibleContexts      #-}
 {-# LANGUAGE FlexibleInstances     #-}
@@ -26,7 +25,6 @@ module Text.Pandoc.Readers.HTML ( readHtml
                                 , isCommentTag
                                 ) where
 
-import Prelude
 import Control.Applicative ((<|>))
 import Control.Arrow (first)
 import Control.Monad (guard, mplus, msum, mzero, unless, void)

src/Text/Pandoc/Readers/Haddock.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE CPP               #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
@@ -16,7 +15,6 @@ module Text.Pandoc.Readers.Haddock
     ( readHaddock
     ) where
 
-import Prelude
 import Control.Monad.Except (throwError)
 import Data.List (intersperse)
 import Data.Maybe (fromMaybe)

src/Text/Pandoc/Readers/Ipynb.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE LambdaCase #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE FlexibleContexts  #-}
@@ -16,7 +15,6 @@ Ipynb (Jupyter notebook JSON format) reader for pandoc.
 -}
 module Text.Pandoc.Readers.Ipynb ( readIpynb )
 where
-import Prelude
 import Data.Char (isDigit)
 import Data.Maybe (fromMaybe)
 import Data.Digest.Pure.SHA (sha1, showDigest)

src/Text/Pandoc/Readers/JATS.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE TupleSections #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
@@ -14,7 +13,6 @@ Conversion of JATS XML to 'Pandoc' document.
 -}
 
 module Text.Pandoc.Readers.JATS ( readJATS ) where
-import Prelude
 import Control.Monad.State.Strict
 import Data.Char (isDigit, isSpace, toUpper)
 import Data.Default

src/Text/Pandoc/Readers/Jira.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE LambdaCase #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
@@ -12,7 +11,6 @@ Conversion of jira wiki formatted plain text to 'Pandoc' document.
 -}
 module Text.Pandoc.Readers.Jira ( readJira ) where
 
-import Prelude
 import Control.Monad.Except (throwError)
 import Data.Text (Text, append, pack, singleton, unpack)
 import Text.HTML.TagSoup.Entity (lookupEntity)

src/Text/Pandoc/Readers/LaTeX.hs

@@ -1,5 +1,4 @@
 {-# LANGUAGE CPP                   #-}
-{-# LANGUAGE NoImplicitPrelude     #-}
 {-# LANGUAGE FlexibleInstances     #-}
 {-# LANGUAGE MultiParamTypeClasses #-}
 {-# LANGUAGE OverloadedStrings     #-}
@@ -27,7 +26,6 @@ module Text.Pandoc.Readers.LaTeX ( readLaTeX,
                                    untokenize
                                  ) where
 
-import Prelude
 import Control.Applicative (many, optional, (<|>))
 import Control.Monad
 import Control.Monad.Except (throwError)

src/Text/Pandoc/Readers/LaTeX/Lang.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Text.Pandoc.Readers.LaTeX.Lang
@@ -17,7 +16,6 @@ module Text.Pandoc.Readers.LaTeX.Lang
   , babelLangToBCP47
   )
 where
-import Prelude
 import qualified Data.Map as M
 import qualified Data.Text as T
 import Text.Pandoc.BCP47 (Lang(..))

src/Text/Pandoc/Readers/LaTeX/Parsing.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE FlexibleInstances     #-}
 {-# LANGUAGE MultiParamTypeClasses #-}
 {-# LANGUAGE OverloadedStrings     #-}
@@ -69,7 +68,6 @@ module Text.Pandoc.Readers.LaTeX.Parsing
   , withRaw
   ) where
 
-import Prelude
 import Control.Applicative (many, (<|>))
 import Control.Monad
 import Control.Monad.Except (throwError)

src/Text/Pandoc/Readers/LaTeX/Types.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
    Module      : Text.Pandoc.Readers.LaTeX.Types
    Copyright   : Copyright (C) 2017-2020 John MacFarlane
@@ -18,7 +17,6 @@ module Text.Pandoc.Readers.LaTeX.Types ( Tok(..)
                                        , SourcePos
                                        )
 where
-import Prelude
 import Data.Text (Text)
 import Text.Parsec.Pos (SourcePos)
 

src/Text/Pandoc/Readers/Man.hs

@@ -14,7 +14,6 @@ Conversion of man to 'Pandoc' document.
 -}
 module Text.Pandoc.Readers.Man (readMan) where
 
-import Prelude
 import Data.Char (toLower)
 import Data.Default (Default)
 import Control.Monad (liftM, mzero, guard, void)

src/Text/Pandoc/Readers/Markdown.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude   #-}
 {-# LANGUAGE RelaxedPolyRec      #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE TupleSections       #-}
@@ -17,7 +16,6 @@ Conversion of markdown-formatted plain text to 'Pandoc' document.
 -}
 module Text.Pandoc.Readers.Markdown ( readMarkdown, yamlToMeta ) where
 
-import Prelude
 import Control.Monad
 import Control.Monad.Except (throwError)
 import Data.Char (isAlphaNum, isPunctuation, isSpace)

src/Text/Pandoc/Readers/MediaWiki.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE RelaxedPolyRec    #-}
 -- RelaxedPolyRec needed for inlinesBetween on GHC < 7
@@ -20,7 +19,6 @@ _ parse templates?
 -}
 module Text.Pandoc.Readers.MediaWiki ( readMediaWiki ) where
 
-import Prelude
 import Control.Monad
 import Control.Monad.Except (throwError)
 import Data.Char (isDigit, isSpace)

src/Text/Pandoc/Readers/Metadata.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude   #-}
 {-# LANGUAGE RelaxedPolyRec      #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 {-# LANGUAGE OverloadedStrings   #-}
@@ -15,7 +14,6 @@ Parse YAML/JSON metadata to 'Pandoc' 'Meta'.
 -}
 module Text.Pandoc.Readers.Metadata ( yamlBsToMeta ) where
 
-import Prelude
 import Control.Monad
 import Control.Monad.Except (throwError)
 import qualified Data.ByteString.Lazy as BL

src/Text/Pandoc/Readers/Muse.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE FlexibleContexts  #-}
 {-# LANGUAGE TupleSections     #-}
 {-# LANGUAGE OverloadedStrings #-}
@@ -19,7 +18,6 @@ TODO:
 -}
 module Text.Pandoc.Readers.Muse (readMuse) where
 
-import Prelude
 import Control.Monad
 import Control.Monad.Reader
 import Control.Monad.Except (throwError)

src/Text/Pandoc/Readers/Native.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Text.Pandoc.Readers.Native
@@ -14,7 +13,6 @@ Conversion of a string representation of a pandoc type (@Pandoc@,
 -}
 module Text.Pandoc.Readers.Native ( readNative ) where
 
-import Prelude
 import Text.Pandoc.Definition
 import Text.Pandoc.Options (ReaderOptions)
 import Text.Pandoc.Shared (safeRead)

src/Text/Pandoc/Readers/OPML.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Text.Pandoc.Readers.OPML
@@ -13,7 +12,6 @@ Conversion of OPML to 'Pandoc' document.
 -}
 
 module Text.Pandoc.Readers.OPML ( readOPML ) where
-import Prelude
 import Control.Monad.State.Strict
 import Data.Char (toUpper)
 import Data.Default

src/Text/Pandoc/Readers/Odt.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE PatternGuards     #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
@@ -15,7 +14,6 @@ Entry point to the odt reader.
 
 module Text.Pandoc.Readers.Odt ( readOdt ) where
 
-import Prelude
 import Codec.Archive.Zip
 import qualified Text.XML.Light as XML
 

src/Text/Pandoc/Readers/Odt/Arrows/State.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE TupleSections     #-}
 {- |
@@ -20,7 +19,6 @@ faster and easier to implement this way.
 
 module Text.Pandoc.Readers.Odt.Arrows.State where
 
-import Prelude
 import Control.Arrow
 import qualified Control.Category as Cat
 import Control.Monad

src/Text/Pandoc/Readers/Odt/Arrows/Utils.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
    Module      : Text.Pandoc.Readers.Odt.Arrows.Utils
    Copyright   : Copyright (C) 2015 Martin Linnemann
@@ -22,7 +21,6 @@ with an equivalent return value.
 -- We export everything
 module Text.Pandoc.Readers.Odt.Arrows.Utils where
 
-import Prelude
 import Control.Arrow
 import Control.Monad (join)
 

src/Text/Pandoc/Readers/Odt/ContentReader.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE Arrows            #-}
 {-# LANGUAGE DeriveFoldable    #-}
 {-# LANGUAGE GeneralizedNewtypeDeriving #-}
@@ -24,7 +23,6 @@ module Text.Pandoc.Readers.Odt.ContentReader
 , read_body
 ) where
 
-import Prelude
 import Control.Applicative hiding (liftA, liftA2, liftA3)
 import Control.Arrow
 

src/Text/Pandoc/Readers/Odt/Generic/Fallible.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
    Module      : Text.Pandoc.Readers.Odt.Generic.Fallible
    Copyright   : Copyright (C) 2015 Martin Linnemann
@@ -19,7 +18,6 @@ compatible instances of "ArrowChoice".
 
 -- We export everything
 module Text.Pandoc.Readers.Odt.Generic.Fallible where
-import Prelude
 
 -- | Default for now. Will probably become a class at some point.
 type Failure = ()

src/Text/Pandoc/Readers/Odt/Generic/Namespaces.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
    Module      : Text.Pandoc.Readers.Odt.Generic.Namespaces
    Copyright   : Copyright (C) 2015 Martin Linnemann
@@ -14,7 +13,6 @@ typesafe Haskell namespace identifiers and unsafe "real world" namespaces.
 
 module Text.Pandoc.Readers.Odt.Generic.Namespaces where
 
-import Prelude
 import qualified Data.Map as M
 
 --

src/Text/Pandoc/Readers/Odt/Generic/SetMap.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
    Module      : Text.Pandoc.Readers.Odt.Generic.SetMap
    Copyright   : Copyright (C) 2015 Martin Linnemann
@@ -13,7 +12,6 @@ A map of values to sets of values.
 
 module Text.Pandoc.Readers.Odt.Generic.SetMap where
 
-import Prelude
 import qualified Data.Map as M
 import qualified Data.Set as S
 

src/Text/Pandoc/Readers/Odt/Generic/Utils.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE TypeOperators #-}
 {-# LANGUAGE ViewPatterns  #-}
 {- |
@@ -30,7 +29,6 @@ module Text.Pandoc.Readers.Odt.Generic.Utils
 , composition
 ) where
 
-import Prelude
 import Control.Category (Category, (<<<), (>>>))
 import qualified Control.Category as Cat (id)
 import Control.Monad (msum)

src/Text/Pandoc/Readers/Odt/Generic/XMLConverter.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE TupleSections   #-}
 {-# LANGUAGE GADTs           #-}
 {-# LANGUAGE PatternGuards   #-}
@@ -53,7 +52,6 @@ module Text.Pandoc.Readers.Odt.Generic.XMLConverter
 , matchContent
 ) where
 
-import Prelude
 import           Control.Applicative  hiding ( liftA, liftA2 )
 import           Control.Monad               ( MonadPlus )
 import           Control.Arrow

src/Text/Pandoc/Readers/Odt/Namespaces.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {- |
    Module      : Text.Pandoc.Reader.Odt.Namespaces
    Copyright   : Copyright (C) 2015 Martin Linnemann
@@ -14,7 +13,6 @@ Namespaces used in odt files.
 module Text.Pandoc.Readers.Odt.Namespaces ( Namespace (..)
                                           ) where
 
-import Prelude
 import Data.List (isPrefixOf)
 import qualified Data.Map as M (empty, insert)
 import Data.Maybe (fromMaybe, listToMaybe)

src/Text/Pandoc/Readers/Odt/StyleReader.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE CPP             #-}
 {-# LANGUAGE Arrows          #-}
 {-# LANGUAGE RecordWildCards #-}
@@ -39,7 +38,6 @@ module Text.Pandoc.Readers.Odt.StyleReader
 , readStylesAt
 ) where
 
-import Prelude
 import Control.Applicative hiding (liftA, liftA2, liftA3)
 import Control.Arrow
 

src/Text/Pandoc/Readers/Org.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Text.Pandoc.Readers.Org
@@ -11,7 +10,6 @@ Conversion of org-mode formatted plain text to 'Pandoc' document.
 -}
 module Text.Pandoc.Readers.Org ( readOrg ) where
 
-import Prelude
 import Text.Pandoc.Readers.Org.Blocks (blockList, meta)
 import Text.Pandoc.Readers.Org.ParserState (optionsToParserState)
 import Text.Pandoc.Readers.Org.Parsing (OrgParser, readWithM)

src/Text/Pandoc/Readers/Org/BlockStarts.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Text.Pandoc.Readers.Org.BlockStarts
@@ -24,7 +23,6 @@ module Text.Pandoc.Readers.Org.BlockStarts
   , endOfBlock
   ) where
 
-import Prelude
 import Control.Monad (void)
 import Data.Text (Text)
 import qualified Data.Text as T

src/Text/Pandoc/Readers/Org/Blocks.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE FlexibleContexts  #-}
 {-# LANGUAGE RecordWildCards   #-}
 {-# LANGUAGE OverloadedStrings #-}
@@ -16,7 +15,6 @@ module Text.Pandoc.Readers.Org.Blocks
   , meta
   ) where
 
-import Prelude
 import Text.Pandoc.Readers.Org.BlockStarts
 import Text.Pandoc.Readers.Org.DocumentTree (documentTree,
                                              unprunedHeadlineToBlocks)

src/Text/Pandoc/Readers/Org/DocumentTree.hs

@@ -1,5 +1,4 @@
 {-# LANGUAGE FlexibleContexts  #-}
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE TupleSections     #-}
 {- |
@@ -16,7 +15,6 @@ module Text.Pandoc.Readers.Org.DocumentTree
   , unprunedHeadlineToBlocks
   ) where
 
-import Prelude
 import Control.Arrow ((***), first)
 import Control.Monad (guard)
 import Data.List (intersperse)

src/Text/Pandoc/Readers/Org/ExportSettings.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Text.Pandoc.Readers.Org.ExportSettings
@@ -13,7 +12,6 @@ module Text.Pandoc.Readers.Org.ExportSettings
   ( exportSettings
   ) where
 
-import Prelude
 import Text.Pandoc.Class (PandocMonad, report)
 import Text.Pandoc.Logging (LogMessage (UnknownOrgExportOption))
 import Text.Pandoc.Readers.Org.ParserState

src/Text/Pandoc/Readers/Org/Inlines.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE OverloadedStrings #-}
 {- |
    Module      : Text.Pandoc.Readers.Org.Inlines
@@ -16,7 +15,6 @@ module Text.Pandoc.Readers.Org.Inlines
   , linkTarget
   ) where
 
-import Prelude
 import Text.Pandoc.Readers.Org.BlockStarts (endOfBlock, noteMarker)
 import Text.Pandoc.Readers.Org.ParserState
 import Text.Pandoc.Readers.Org.Parsing

src/Text/Pandoc/Readers/Org/Meta.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE FlexibleContexts  #-}
 {-# LANGUAGE TupleSections     #-}
 {-# LANGUAGE OverloadedStrings #-}
@@ -17,7 +16,6 @@ module Text.Pandoc.Readers.Org.Meta
   , metaLine
   ) where
 
-import Prelude
 import Text.Pandoc.Readers.Org.BlockStarts
 import Text.Pandoc.Readers.Org.ExportSettings (exportSettings)
 import Text.Pandoc.Readers.Org.Inlines