Remove Compat.Monoid

This was only necessary for GHC versions with base below 4.5
(i.e., ghc < 7.4).

pandoc.cabal

@@ -418,7 +418,6 @@ Library
                    Text.Pandoc.Compat.Except,
                    Text.Pandoc.Compat.TagSoupEntity,
                    Text.Pandoc.Compat.Directory,
-                   Text.Pandoc.Compat.Monoid,
                    Paths_pandoc
 
   Buildable:       True

src/Text/Pandoc/Compat/Monoid.hs

@@ -1,17 +0,0 @@
-{-# LANGUAGE CPP #-}
-module Text.Pandoc.Compat.Monoid ( (<>) )
-       where
-
-#if MIN_VERSION_base(4,5,0)
-import Data.Monoid ((<>))
-
-#else
-import Data.Monoid
-
-infixr 6 <>
-
---- | An infix synonym for 'mappend'.
-(<>) :: Monoid m => m -> m -> m
-(<>) = mappend
-{-# INLINE (<>) #-}
-#endif

src/Text/Pandoc/PDF.hs

@@ -34,7 +34,7 @@ import Data.ByteString.Lazy (ByteString)
 import qualified Data.ByteString.Lazy as B
 import qualified Data.ByteString.Lazy.Char8 as BC
 import qualified Data.ByteString as BS
-import Text.Pandoc.Compat.Monoid ((<>))
+import Data.Monoid ((<>))
 import System.Exit (ExitCode (..))
 import System.FilePath
 import System.IO (stderr, stdout)

src/Text/Pandoc/Parsing.hs

@@ -186,7 +186,7 @@ import Text.TeXMath.Readers.TeX.Macros (applyMacros, Macro,
                                         parseMacroDefinitions)
 import Text.Pandoc.Compat.TagSoupEntity ( lookupEntity )
 import Text.Pandoc.Asciify (toAsciiChar)
-import Text.Pandoc.Compat.Monoid ((<>))
+import Data.Monoid ((<>))
 import Data.Default
 import qualified Data.Set as Set
 import Control.Monad.Reader

src/Text/Pandoc/Pretty.hs

@@ -80,7 +80,7 @@ import Data.List (intercalate)
 import Data.String
 import Control.Monad.State
 import Data.Char (isSpace)
-import Text.Pandoc.Compat.Monoid ((<>))
+import Data.Monoid ((<>))
 
 data RenderState a = RenderState{
          output       :: [a]        -- ^ In reverse order

src/Text/Pandoc/Readers/EPUB.hs

@@ -17,7 +17,7 @@ import Text.Pandoc.Shared (escapeURI, collapseFilePath, addMetaField)
 import Network.URI (unEscapeString)
 import Text.Pandoc.MediaBag (MediaBag, insertMedia)
 import Text.Pandoc.Compat.Except (MonadError, throwError, runExcept, Except)
-import Text.Pandoc.Compat.Monoid ((<>))
+import Data.Monoid ((<>))
 import Text.Pandoc.MIME (MimeType)
 import qualified Text.Pandoc.Builder as B
 import Codec.Archive.Zip ( Archive (..), toArchiveOrFail, fromEntry

src/Text/Pandoc/Readers/HTML.hs

@@ -66,7 +66,7 @@ import Control.Monad.Reader (Reader,ask, asks, local, runReader)
 import Network.URI (URI, parseURIReference, nonStrictRelativeTo)
 import Text.Pandoc.Error
 import Text.Pandoc.CSS (foldOrElse, pickStyleAttrProps)
-import Text.Pandoc.Compat.Monoid ((<>))
+import Data.Monoid ((<>))
 import Text.Parsec.Error
 import qualified Data.Set as Set
 

src/Text/Pandoc/Readers/Haddock.hs

@@ -16,7 +16,7 @@ module Text.Pandoc.Readers.Haddock
 
 import Text.Pandoc.Builder (Blocks, Inlines)
 import qualified Text.Pandoc.Builder as B
-import Text.Pandoc.Compat.Monoid ((<>))
+import Data.Monoid ((<>))
 import Text.Pandoc.Shared (trim, splitBy)
 import Data.List (intersperse, stripPrefix)
 import Data.Maybe (fromMaybe)

src/Text/Pandoc/Readers/Markdown.hs

@@ -64,7 +64,7 @@ import Text.HTML.TagSoup
 import qualified Data.Set as Set
 import Text.Printf (printf)
 import Debug.Trace (trace)
-import Text.Pandoc.Compat.Monoid ((<>))
+import Data.Monoid ((<>))
 import Text.Pandoc.Error
 
 type MarkdownParser = Parser [Char] ParserState

src/Text/Pandoc/Readers/MediaWiki.hs

@@ -39,7 +39,7 @@ module Text.Pandoc.Readers.MediaWiki ( readMediaWiki ) where
 import Text.Pandoc.Definition
 import qualified Text.Pandoc.Builder as B
 import Text.Pandoc.Builder (Inlines, Blocks, trimInlines)
-import Text.Pandoc.Compat.Monoid ((<>))
+import Data.Monoid ((<>))
 import Text.Pandoc.Options
 import Text.Pandoc.Readers.HTML ( htmlTag, isBlockTag, isCommentTag )
 import Text.Pandoc.XML ( fromEntities )

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

@@ -46,7 +46,7 @@ import           Control.Monad
 
 import           Data.Foldable
 
-import           Text.Pandoc.Compat.Monoid
+import           Data.Monoid
 import           Text.Pandoc.Readers.Odt.Arrows.Utils
 import           Text.Pandoc.Readers.Odt.Generic.Fallible
 

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

@@ -46,7 +46,7 @@ import qualified Data.Foldable                    as F
 
 import           Text.Pandoc.Readers.Odt.Generic.Fallible
 import           Text.Pandoc.Readers.Odt.Generic.Utils
-import           Text.Pandoc.Compat.Monoid
+import           Data.Monoid
 
 and2 :: (Arrow a) => a b c -> a b c' -> a b (c,c')
 and2 = (&&&)

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

@@ -41,7 +41,7 @@ module Text.Pandoc.Readers.Odt.Generic.Fallible where
 
 import           Control.Applicative
 import           Control.Monad
-import           Text.Pandoc.Compat.Monoid ((<>))
+import           Data.Monoid ((<>))
 import qualified Data.Foldable       as F
 
 -- | Default for now. Will probably become a class at some point.

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

@@ -45,7 +45,7 @@ import           Text.Pandoc.Readers.Org.Shared
 import qualified Text.Pandoc.Builder as B
 import           Text.Pandoc.Builder ( Inlines, Blocks )
 import           Text.Pandoc.Definition
-import           Text.Pandoc.Compat.Monoid ((<>))
+import           Data.Monoid ((<>))
 import           Text.Pandoc.Options
 import           Text.Pandoc.Shared ( compactify', compactify'DL )
 

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

@@ -43,7 +43,7 @@ import           Text.Pandoc.Readers.Org.Shared
 import qualified Text.Pandoc.Builder as B
 import           Text.Pandoc.Builder ( Inlines )
 import           Text.Pandoc.Definition
-import           Text.Pandoc.Compat.Monoid ( (<>) )
+import           Data.Monoid ( (<>) )
 import           Text.Pandoc.Options
 import           Text.Pandoc.Readers.LaTeX ( inlineCommand, rawLaTeXInline )
 import           Text.TeXMath ( readTeX, writePandoc, DisplayType(..) )

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

@@ -41,7 +41,7 @@ import           Text.Pandoc.Readers.Org.Parsing
 import qualified Text.Pandoc.Builder as B
 import           Text.Pandoc.Builder ( Blocks, Inlines )
 import           Text.Pandoc.Definition
-import           Text.Pandoc.Compat.Monoid ((<>))
+import           Data.Monoid ((<>))
 
 import           Control.Monad ( mzero )
 import           Data.Char ( toLower )

src/Text/Pandoc/Readers/RST.hs

@@ -48,7 +48,7 @@ import Text.Pandoc.Builder (Inlines, Blocks, trimInlines)
 import qualified Text.Pandoc.Builder as B
 import Data.Sequence (viewr, ViewR(..))
 import Data.Char (toLower, isHexDigit, isSpace)
-import Text.Pandoc.Compat.Monoid ((<>))
+import Data.Monoid ((<>))
 import Text.Pandoc.Error
 
 -- | Parse reStructuredText string and return Pandoc document.

src/Text/Pandoc/Readers/Textile.hs

@@ -65,7 +65,7 @@ import Text.HTML.TagSoup.Match
 import Data.List ( intercalate, transpose, intersperse )
 import Data.Char ( digitToInt, isUpper )
 import Control.Monad ( guard, liftM, when )
-import Text.Pandoc.Compat.Monoid ((<>))
+import Data.Monoid ((<>))
 import Text.Printf
 import Debug.Trace (trace)
 import Text.Pandoc.Error

src/Text/Pandoc/Readers/Txt2Tags.hs

@@ -34,7 +34,7 @@ module Text.Pandoc.Readers.Txt2Tags ( readTxt2Tags
 
 import qualified Text.Pandoc.Builder as B
 import Text.Pandoc.Builder ( Inlines, Blocks, trimInlines )
-import Text.Pandoc.Compat.Monoid ((<>))
+import Data.Monoid ((<>))
 import Text.Pandoc.Definition
 import Text.Pandoc.Options
 import Text.Pandoc.Shared (escapeURI,compactify', compactify'DL)

src/Text/Pandoc/Shared.hs

@@ -132,7 +132,7 @@ import System.IO (stderr)
 import System.IO.Temp
 import Text.HTML.TagSoup (renderTagsOptions, RenderOptions(..), Tag(..),
          renderOptions)
-import Text.Pandoc.Compat.Monoid ((<>))
+import Data.Monoid ((<>))
 import qualified Data.ByteString as BS
 import qualified Data.ByteString.Char8 as B8
 import Data.ByteString.Base64 (decodeLenient)

src/Text/Pandoc/Templates.hs

@@ -98,7 +98,7 @@ import Control.Monad (guard, when)
 import Data.Aeson (ToJSON(..), Value(..))
 import qualified Text.Parsec as P
 import Text.Parsec.Text (Parser)
-import Text.Pandoc.Compat.Monoid ((<>))
+import Data.Monoid ((<>))
 import qualified Data.Text as T
 import Data.Text (Text)
 import Data.Text.Encoding (encodeUtf8)

src/Text/Pandoc/Writers/Docx.hs

@@ -60,7 +60,7 @@ import Data.Unique (hashUnique, newUnique)
 import System.Random (randomRIO)
 import Text.Printf (printf)
 import qualified Control.Exception as E
-import Text.Pandoc.Compat.Monoid ((<>))
+import Data.Monoid ((<>))
 import Text.Pandoc.MIME (MimeType, getMimeType, getMimeTypeDef,
                          extensionFromMimeType)
 import Control.Applicative ((<|>))

src/Text/Pandoc/Writers/HTML.hs

@@ -31,7 +31,7 @@ Conversion of 'Pandoc' documents to HTML.
 -}
 module Text.Pandoc.Writers.HTML ( writeHtml , writeHtmlString ) where
 import Text.Pandoc.Definition
-import Text.Pandoc.Compat.Monoid ((<>))
+import Data.Monoid ((<>))
 import Text.Pandoc.Shared
 import Text.Pandoc.Writers.Shared
 import Text.Pandoc.Options