HLint: redundant parens

Remove parens enclosing a single element.

pandoc.hs

@@ -1034,12 +1034,10 @@ main = do
 
   variables' <- case mathMethod of
                       LaTeXMathML Nothing -> do
-                         s <- readDataFileUTF8 datadir
-                                 ("LaTeXMathML.js")
+                         s <- readDataFileUTF8 datadir "LaTeXMathML.js"
                          return $ ("mathml-script", s) : variables
                       MathML Nothing -> do
-                         s <- readDataFileUTF8 datadir
-                                 ("MathMLinHTML.js")
+                         s <- readDataFileUTF8 datadir "MathMLinHTML.js"
                          return $ ("mathml-script", s) : variables
                       _ -> return variables
 

src/Text/Pandoc/Readers/Markdown.hs

@@ -730,7 +730,7 @@ listStart = bulletListStart <|> (anyOrderedListStart >> return ())
 listLine :: MarkdownParser String
 listLine = try $ do
   notFollowedBy' (do indentSpaces
-                     many (spaceChar)
+                     many spaceChar
                      listStart)
   notFollowedBy' $ htmlTag (~== TagClose "div")
   chunks <- manyTill

src/Text/Pandoc/Readers/Textile.hs

@@ -594,7 +594,7 @@ surrounded border = enclosed (border *> notFollowedBy (oneOf " \t\n\r")) (try bo
 simpleInline :: Parser [Char] ParserState t           -- ^ surrounding parser
                 -> ([Inline] -> Inline)       -- ^ Inline constructor
                 -> Parser [Char] ParserState Inline   -- ^ content parser (to be used repeatedly)
-simpleInline border construct = surrounded border (inlineWithAttribute) >>=
+simpleInline border construct = surrounded border inlineWithAttribute >>=
                                 return . construct . normalizeSpaces
   where inlineWithAttribute = (try $ optional attributes) >> inline
 

src/Text/Pandoc/Writers/HTML.hs

@@ -524,7 +524,7 @@ blockToHtml opts (DefinitionList lst) = do
   contents <- mapM (\(term, defs) ->
                   do term' <- if null term
                                  then return mempty
-                                 else liftM (H.dt) $ inlineListToHtml opts term
+                                 else liftM H.dt $ inlineListToHtml opts term
                      defs' <- mapM ((liftM (\x -> H.dd $ (x >> nl opts))) .
                                     blockListToHtml opts) defs
                      return $ mconcat $ nl opts : term' : nl opts :

src/Text/Pandoc/Writers/MediaWiki.hs

@@ -51,7 +51,7 @@ data WriterState = WriterState {
 writeMediaWiki :: WriterOptions -> Pandoc -> String
 writeMediaWiki opts document =
   evalState (pandocToMediaWiki opts document)
-            (WriterState { stNotes = False, stListLevel = [], stUseTags = False })
+            WriterState { stNotes = False, stListLevel = [], stUseTags = False }
 
 -- | Return MediaWiki representation of document.
 pandocToMediaWiki :: WriterOptions -> Pandoc -> State WriterState String

src/Text/Pandoc/Writers/Textile.hs

@@ -51,7 +51,7 @@ data WriterState = WriterState {
 writeTextile :: WriterOptions -> Pandoc -> String
 writeTextile opts document =
   evalState (pandocToTextile opts document)
-            (WriterState { stNotes = [], stListLevel = [], stUseTags = False })
+            WriterState { stNotes = [], stListLevel = [], stUseTags = False }
 
 -- | Return Textile representation of document.
 pandocToTextile :: WriterOptions -> Pandoc -> State WriterState String

tests/Tests/Readers/LaTeX.hs

@@ -21,7 +21,7 @@ tests = [ testGroup "basic"
           [ "simple" =:
             "word" =?> para "word"
           , "space" =:
-            "some text" =?> para ("some text")
+            "some text" =?> para "some text"
           , "emphasized" =:
             "\\emph{emphasized}" =?> para (emph "emphasized")
           ]

tests/Tests/Readers/Markdown.hs

@@ -171,13 +171,13 @@ tests = [ testGroup "inline code"
         , testGroup "smart punctuation"
           [ test markdownSmart "quote before ellipses"
             ("'...hi'"
-            =?> para (singleQuoted ("…hi")))
+            =?> para (singleQuoted "…hi"))
           , test markdownSmart "apostrophe before emph"
             ("D'oh! A l'*aide*!"
             =?> para ("D’oh! A l’" <> emph "aide" <> "!"))
           , test markdownSmart "apostrophe in French"
             ("À l'arrivée de la guerre, le thème de l'«impossibilité du socialisme»"
-            =?> para ("À l’arrivée de la guerre, le thème de l’«impossibilité du socialisme»"))
+            =?> para "À l’arrivée de la guerre, le thème de l’«impossibilité du socialisme»")
           ]
         , testGroup "mixed emphasis and strong"
           [ "emph and strong emph alternating" =: