Use custom Prelude to avoid compiler warnings.

- The (non-exported) prelude is in prelude/Prelude.hs.
- It exports Monoid and Applicative, like base 4.8 prelude,
  but works with older base versions.
- It exports (<>) for mappend.
- It hides 'catch' on older base versions.

This allows us to remove many imports of Data.Monoid
and Control.Applicative, and remove Text.Pandoc.Compat.Monoid.

It should allow us to use -Wall again for ghc 7.10.

1 files changed, 1 insertions, 3 deletions

diff --git a/src/Text/Pandoc/Readers/MediaWiki.hs b/src/Text/Pandoc/Readers/MediaWiki.hs
index b23b44544..4f5f9c293 100644
--- a/src/Text/Pandoc/Readers/MediaWiki.hs
+++ b/src/Text/Pandoc/Readers/MediaWiki.hs
@@ -38,15 +38,13 @@ 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.Builder (Inlines, Blocks, trimInlines)
 import Text.Pandoc.Options
 import Text.Pandoc.Readers.HTML ( htmlTag, isBlockTag, isCommentTag )
 import Text.Pandoc.XML ( fromEntities )
 import Text.Pandoc.Parsing hiding ( nested )
 import Text.Pandoc.Walk ( walk )
 import Text.Pandoc.Shared ( stripTrailingNewlines, safeRead, stringify, trim )
-import Data.Monoid (mconcat, mempty)
-import Control.Applicative ((<$>), (<*), (*>), (<$))
 import Control.Monad
 import Data.List (intersperse, intercalate, isPrefixOf )
 import Text.HTML.TagSoup