Fix warnings, accept output

* remove redundant imports (only brought to light due to recent work for
  improving redundant import detection)
* fix a bug that was casuing exports to appear in reverse order
* fix something in haddock-library that prevented compilation on old GHC's

2 files changed, 2 insertions, 2 deletions

diff --git a/haddock-library/src/Documentation/Haddock/Markup.hs b/haddock-library/src/Documentation/Haddock/Markup.hs
index b44fef80..365041ee 100644
--- a/haddock-library/src/Documentation/Haddock/Markup.hs
+++ b/haddock-library/src/Documentation/Haddock/Markup.hs
@@ -75,7 +75,7 @@ plainMarkup plainMod plainIdent = Markup {
   markupEmpty                = "",
   markupString               = id,
   markupParagraph            = id,
-  markupAppend               = (<>),
+  markupAppend               = (++),
   markupIdentifier           = plainIdent,
   markupIdentifierUnchecked  = plainMod,
   markupModule               = id,
diff --git a/haddock-library/src/Documentation/Haddock/Parser.hs b/haddock-library/src/Documentation/Haddock/Parser.hs
index f6c12d46..82d65a0a 100644
--- a/haddock-library/src/Documentation/Haddock/Parser.hs
+++ b/haddock-library/src/Documentation/Haddock/Parser.hs
@@ -28,7 +28,7 @@ import           Control.Applicative
 import           Control.Arrow (first)
 import           Control.Monad
 import           Data.Char (chr, isUpper, isAlpha, isAlphaNum, isSpace)
-import           Data.List (intercalate, unfoldr, elemIndex, notElem)
+import           Data.List (intercalate, unfoldr, elemIndex)
 import           Data.Maybe (fromMaybe, mapMaybe)
 import           Data.Monoid
 import qualified Data.Set as Set