diff --git a/Text/CSV/ByteString.hs b/Text/CSV/ByteString.hs
--- a/Text/CSV/ByteString.hs
+++ b/Text/CSV/ByteString.hs
@@ -12,12 +12,18 @@
 --
 -- Parsing comma separated values format (CSV) efficiently using ByteStrings,
 --
+-- RFC notes:
+--
+--  * we don't attempt to process any header line, as that existence or
+--  not of a header depends on mime information, which isn't available.
+--
 
 module Text.CSV.ByteString where
 
-import qualified Data.ByteString        as S
-import qualified Data.ByteString.Unsafe as S
-import qualified Data.ByteString.Char8  as S
+import qualified Data.ByteString          as S hiding (uncons,last)
+import qualified Data.ByteString.Unsafe   as S
+import qualified Data.ByteString.Internal as S
+import qualified Data.ByteString.Char8    as S
 
 import Text.CSV.ByteString.Lex
 
@@ -40,6 +46,8 @@
 -- followed by a comma.
 type Field = S.ByteString
 
+------------------------------------------------------------------------
+
 -- | Parse a ByteString into a CSV form.
 parseCSV :: S.ByteString -> Maybe CSV
 parseCSV s
@@ -53,6 +61,15 @@
    parseRecords xs csv = parseRecords (tail rest) (fields  : csv)
       where
         (line, rest) = break (== Newline) xs
-        fields       = [ s | Item s <- line ]
+        fields       = [ unquote s | Item s <- line ]
         -- todo, handle nesting.
 
+        -- If double-quotes are used to enclose fields, then a
+        -- double-quote appearing inside a field must be escaped by preceding
+        -- it with another double quote.
+        unquote s
+            | S.null s                    = S.empty
+            | c == '"' && S.last s == '"' = S.init cs -- TODO more quoting
+            | otherwise                   = s
+            where
+                (c,cs) = (S.w2c (S.unsafeHead s), S.unsafeTail s)
diff --git a/Text/CSV/ByteString/Lex.hs b/Text/CSV/ByteString/Lex.hs
deleted file mode 100644
--- a/Text/CSV/ByteString/Lex.hs
+++ /dev/null
@@ -1,383 +0,0 @@
-{-# OPTIONS -fglasgow-exts -cpp #-}
-{-# LINE 1 "Lex.x" #-}
-
-{-# OPTIONS -funbox-strict-fields #-}
-
---------------------------------------------------------------------
--- |
--- Module    : Text.CSV.Lex
--- Copyright : (c) Galois, Inc. 2008
--- License   : All rights reserved
---
--- Maintainer: Don Stewart <dons@galois.com>
--- Stability : provisional
--- Portability:
---
---------------------------------------------------------------------
---
--- Efficiently lex CSV files.
---
-
-module Text.CSV.ByteString.Lex ( lexCSV, CSVToken(..)) where
-
-import qualified Data.ByteString as S
-import Data.ByteString.Internal
-import qualified Data.ByteString.Unsafe as S
-
-import Foreign
-import Foreign.C.Types
-import Foreign.C.String
-
-
-#if __GLASGOW_HASKELL__ >= 603
-#include "ghcconfig.h"
-#elif defined(__GLASGOW_HASKELL__)
-#include "config.h"
-#endif
-#if __GLASGOW_HASKELL__ >= 503
-import Data.Array
-import Data.Char (ord)
-import Data.Array.Base (unsafeAt)
-#else
-import Array
-import Char (ord)
-#endif
-#if __GLASGOW_HASKELL__ >= 503
-import GHC.Exts
-#else
-import GlaExts
-#endif
-{-# LINE 1 "templates/wrappers.hs" #-}
-{-# LINE 1 "templates/wrappers.hs" #-}
-{-# LINE 1 "<built-in>" #-}
-{-# LINE 1 "<command-line>" #-}
-{-# LINE 1 "templates/wrappers.hs" #-}
--- -----------------------------------------------------------------------------
--- Alex wrapper code.
---
--- This code is in the PUBLIC DOMAIN; you may copy it freely and use
--- it for any purpose whatsoever.
-
-
-
-
-
-
-
-import qualified Data.ByteString.Char8    as ByteString
-import qualified Data.ByteString.Internal as ByteString
-import qualified Data.ByteString.Unsafe   as ByteString
-
-
-
--- -----------------------------------------------------------------------------
--- The input type
-
-{-# LINE 35 "templates/wrappers.hs" #-}
-
-{-# LINE 51 "templates/wrappers.hs" #-}
-
--- -----------------------------------------------------------------------------
--- Token positions
-
--- `Posn' records the location of a token in the input text.  It has three
--- fields: the address (number of chacaters preceding the token), line number
--- and column of a token within the file. `start_pos' gives the position of the
--- start of the file and `eof_pos' a standard encoding for the end of file.
--- `move_pos' calculates the new position after traversing a given character,
--- assuming the usual eight character tab stops.
-
-{-# LINE 74 "templates/wrappers.hs" #-}
-
--- -----------------------------------------------------------------------------
--- Default monad
-
-{-# LINE 156 "templates/wrappers.hs" #-}
-
-
--- -----------------------------------------------------------------------------
--- Monad (with ByteString input)
-
-{-# LINE 239 "templates/wrappers.hs" #-}
-
-
--- -----------------------------------------------------------------------------
--- Basic wrapper
-
-{-# LINE 261 "templates/wrappers.hs" #-}
-
-
--- -----------------------------------------------------------------------------
--- Basic wrapper, ByteString version
-
-{-# LINE 285 "templates/wrappers.hs" #-}
-
-
-
-data AlexInput = AlexInput { alexChar :: {-# UNPACK #-}!Char
-                           , alexStr  :: {-# UNPACK #-}!ByteString.ByteString }
-
-alexGetChar (AlexInput _ cs)
-    | ByteString.null cs = Nothing
-    | otherwise          = Just $!  (ByteString.head cs, AlexInput c cs')
-    where
-        (c,cs') = (ByteString.w2c (ByteString.unsafeHead cs)
-                  , ByteString.unsafeTail cs)
-
-alexInputPrevChar = alexChar
-
--- alexScanTokens :: String -> [token]
-alexScanTokens str = go (AlexInput '\n' str)
-  where go inp@(AlexInput _ str) =
-          case alexScan inp 0 of
-                AlexEOF -> []
-                AlexError _ -> error "lexical error"
-                AlexSkip  inp' len     -> go inp'
-                AlexToken inp' len act -> act (ByteString.unsafeTake len str) : go inp'
-
-
-
-
--- -----------------------------------------------------------------------------
--- Posn wrapper
-
--- Adds text positions to the basic model.
-
-{-# LINE 327 "templates/wrappers.hs" #-}
-
-
--- -----------------------------------------------------------------------------
--- Posn wrapper, ByteString version
-
-{-# LINE 342 "templates/wrappers.hs" #-}
-
-
--- -----------------------------------------------------------------------------
--- GScan wrapper
-
--- For compatibility with previous versions of Alex, and because we can.
-
-alex_base :: AlexAddr
-alex_base = AlexA# "\xf7\xff\xff\xff\xd6\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf9\xff\xff\xff\xfb\xff\xff\xff"#
-
-alex_table :: AlexAddr
-alex_table = AlexA# "\x00\x00\x03\x00\x02\x00\x04\x00\x05\x00\xff\xff\x00\x00\x00\x00\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"#
-
-alex_check :: AlexAddr
-alex_check = AlexA# "\xff\xff\x0a\x00\x2c\x00\x0a\x00\x0d\x00\x0a\x00\xff\xff\xff\xff\x0d\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x2c\x00\xff\xff\xff\xff\xff\xff\x2c\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"#
-
-alex_deflt :: AlexAddr
-alex_deflt = AlexA# "\x06\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x06\x00"#
-
-alex_accept = listArray (0::Int,6) [[],[],[(AlexAcc (alex_action_0))],[(AlexAcc (alex_action_1))],[(AlexAcc (alex_action_2))],[],[(AlexAcc (alex_action_3))]]
-{-# LINE 40 "Lex.x" #-}
-
-
--- | Efficiently lex CSV data from a bytestring
-lexCSV :: S.ByteString -> [CSVToken]
-lexCSV = alexScanTokens
-
-data CSVToken = Comma
-              | Newline
-              | Item {-# UNPACK #-} !S.ByteString
-              deriving (Eq, Show)
-
-
-alex_action_0 = \_ -> Comma 
-alex_action_1 = \_ -> Newline 
-alex_action_2 = \_ -> Newline 
-alex_action_3 = Item
-{-# LINE 1 "templates/GenericTemplate.hs" #-}
-{-# LINE 1 "templates/GenericTemplate.hs" #-}
-{-# LINE 1 "<built-in>" #-}
-{-# LINE 1 "<command-line>" #-}
-{-# LINE 1 "templates/GenericTemplate.hs" #-}
--- -----------------------------------------------------------------------------
--- ALEX TEMPLATE
---
--- This code is in the PUBLIC DOMAIN; you may copy it freely and use
--- it for any purpose whatsoever.
-
--- -----------------------------------------------------------------------------
--- INTERNALS and main scanner engine
-
-{-# LINE 35 "templates/GenericTemplate.hs" #-}
-
-{-# LINE 45 "templates/GenericTemplate.hs" #-}
-
-
-data AlexAddr = AlexA# Addr#
-
-#if __GLASGOW_HASKELL__ < 503
-uncheckedShiftL# = shiftL#
-#endif
-
-{-# INLINE alexIndexInt16OffAddr #-}
-alexIndexInt16OffAddr (AlexA# arr) off =
-#ifdef WORDS_BIGENDIAN
-  narrow16Int# i
-  where
-	i    = word2Int# ((high `uncheckedShiftL#` 8#) `or#` low)
-	high = int2Word# (ord# (indexCharOffAddr# arr (off' +# 1#)))
-	low  = int2Word# (ord# (indexCharOffAddr# arr off'))
-	off' = off *# 2#
-#else
-  indexInt16OffAddr# arr off
-#endif
-
-
-
-
-
-{-# INLINE alexIndexInt32OffAddr #-}
-alexIndexInt32OffAddr (AlexA# arr) off = 
-#ifdef WORDS_BIGENDIAN
-  narrow32Int# i
-  where
-   i    = word2Int# ((b3 `uncheckedShiftL#` 24#) `or#`
-		     (b2 `uncheckedShiftL#` 16#) `or#`
-		     (b1 `uncheckedShiftL#` 8#) `or#` b0)
-   b3   = int2Word# (ord# (indexCharOffAddr# arr (off' +# 3#)))
-   b2   = int2Word# (ord# (indexCharOffAddr# arr (off' +# 2#)))
-   b1   = int2Word# (ord# (indexCharOffAddr# arr (off' +# 1#)))
-   b0   = int2Word# (ord# (indexCharOffAddr# arr off'))
-   off' = off *# 4#
-#else
-  indexInt32OffAddr# arr off
-#endif
-
-
-
-
-
-#if __GLASGOW_HASKELL__ < 503
-quickIndex arr i = arr ! i
-#else
--- GHC >= 503, unsafeAt is available from Data.Array.Base.
-quickIndex = unsafeAt
-#endif
-
-
-
-
--- -----------------------------------------------------------------------------
--- Main lexing routines
-
-data AlexReturn a
-  = AlexEOF
-  | AlexError  !AlexInput
-  | AlexSkip   !AlexInput !Int
-  | AlexToken  !AlexInput !Int a
-
--- alexScan :: AlexInput -> StartCode -> AlexReturn a
-alexScan input (I# (sc))
-  = alexScanUser undefined input (I# (sc))
-
-alexScanUser user input (I# (sc))
-  = case alex_scan_tkn user input 0# input sc AlexNone of
-	(AlexNone, input') ->
-		case alexGetChar input of
-			Nothing -> 
-
-
-
-				   AlexEOF
-			Just _ ->
-
-
-
-				   AlexError input'
-
-	(AlexLastSkip input len, _) ->
-
-
-
-		AlexSkip input len
-
-	(AlexLastAcc k input len, _) ->
-
-
-
-		AlexToken input len k
-
-
--- Push the input through the DFA, remembering the most recent accepting
--- state it encountered.
-
-alex_scan_tkn user orig_input len input s last_acc =
-  input `seq` -- strict in the input
-  let 
-	new_acc = check_accs (alex_accept `quickIndex` (I# (s)))
-  in
-  new_acc `seq`
-  case alexGetChar input of
-     Nothing -> (new_acc, input)
-     Just (c, new_input) -> 
-
-
-
-	let
-		base   = alexIndexInt32OffAddr alex_base s
-		(I# (ord_c)) = ord c
-		offset = (base +# ord_c)
-		check  = alexIndexInt16OffAddr alex_check offset
-		
-		new_s = if (offset >=# 0#) && (check ==# ord_c)
-			  then alexIndexInt16OffAddr alex_table offset
-			  else alexIndexInt16OffAddr alex_deflt s
-	in
-	case new_s of 
-	    -1# -> (new_acc, input)
-		-- on an error, we want to keep the input *before* the
-		-- character that failed, not after.
-    	    _ -> alex_scan_tkn user orig_input (len +# 1#) 
-			new_input new_s new_acc
-
-  where
-	check_accs [] = last_acc
-	check_accs (AlexAcc a : _) = AlexLastAcc a input (I# (len))
-	check_accs (AlexAccSkip : _)  = AlexLastSkip  input (I# (len))
-	check_accs (AlexAccPred a pred : rest)
-	   | pred user orig_input (I# (len)) input
-	   = AlexLastAcc a input (I# (len))
-	check_accs (AlexAccSkipPred pred : rest)
-	   | pred user orig_input (I# (len)) input
-	   = AlexLastSkip input (I# (len))
-	check_accs (_ : rest) = check_accs rest
-
-data AlexLastAcc a
-  = AlexNone
-  | AlexLastAcc a !AlexInput !Int
-  | AlexLastSkip  !AlexInput !Int
-
-data AlexAcc a user
-  = AlexAcc a
-  | AlexAccSkip
-  | AlexAccPred a (AlexAccPred user)
-  | AlexAccSkipPred (AlexAccPred user)
-
-type AlexAccPred user = user -> AlexInput -> Int -> AlexInput -> Bool
-
--- -----------------------------------------------------------------------------
--- Predicates on a rule
-
-alexAndPred p1 p2 user in1 len in2
-  = p1 user in1 len in2 && p2 user in1 len in2
-
---alexPrevCharIsPred :: Char -> AlexAccPred _ 
-alexPrevCharIs c _ input _ _ = c == alexInputPrevChar input
-
---alexPrevCharIsOneOfPred :: Array Char Bool -> AlexAccPred _ 
-alexPrevCharIsOneOf arr _ input _ _ = arr ! alexInputPrevChar input
-
---alexRightContext :: Int -> AlexAccPred _
-alexRightContext (I# (sc)) user _ _ input = 
-     case alex_scan_tkn user input 0# input sc AlexNone of
-	  (AlexNone, _) -> False
-	  _ -> True
-	-- TODO: there's no need to find the longest
-	-- match when checking the right context, just
-	-- the first match will do.
-
--- used by wrappers
-iUnbox (I# (i)) = i
diff --git a/bytestring-csv.cabal b/bytestring-csv.cabal
--- a/bytestring-csv.cabal
+++ b/bytestring-csv.cabal
@@ -1,5 +1,5 @@
 Name:                bytestring-csv
-Version:             0.1
+Version:             0.1.1
 Synopsis:            Parse CSV formatted data efficiently
 Description:         Parse CSV formatted data efficiently
 License:             BSD3
@@ -13,6 +13,7 @@
 Tested-With:         GHC ==6.8.2
 Build-Type:          Simple
 Cabal-Version:       >= 1.2
+extra-source-files:  examples/Test.hs examples/data.csv
 
 flag small_base
     description: Choose the new smaller, split-up base package.
diff --git a/dist/build/Text/CSV/ByteString/Lex.hs b/dist/build/Text/CSV/ByteString/Lex.hs
new file mode 100644
--- /dev/null
+++ b/dist/build/Text/CSV/ByteString/Lex.hs
@@ -0,0 +1,383 @@
+{-# OPTIONS -fglasgow-exts -cpp #-}
+{-# LINE 1 "Text/CSV/ByteString/Lex.x" #-}
+
+{-# OPTIONS -funbox-strict-fields #-}
+
+--------------------------------------------------------------------
+-- |
+-- Module    : Text.CSV.Lex
+-- Copyright : (c) Galois, Inc. 2008
+-- License   : All rights reserved
+--
+-- Maintainer: Don Stewart <dons@galois.com>
+-- Stability : provisional
+-- Portability:
+--
+--------------------------------------------------------------------
+--
+-- Efficiently lex CSV files.
+--
+
+module Text.CSV.ByteString.Lex ( lexCSV, CSVToken(..)) where
+
+import qualified Data.ByteString as S
+import Data.ByteString.Internal
+import qualified Data.ByteString.Unsafe as S
+
+import Foreign
+import Foreign.C.Types
+import Foreign.C.String
+
+
+#if __GLASGOW_HASKELL__ >= 603
+#include "ghcconfig.h"
+#elif defined(__GLASGOW_HASKELL__)
+#include "config.h"
+#endif
+#if __GLASGOW_HASKELL__ >= 503
+import Data.Array
+import Data.Char (ord)
+import Data.Array.Base (unsafeAt)
+#else
+import Array
+import Char (ord)
+#endif
+#if __GLASGOW_HASKELL__ >= 503
+import GHC.Exts
+#else
+import GlaExts
+#endif
+{-# LINE 1 "templates/wrappers.hs" #-}
+{-# LINE 1 "templates/wrappers.hs" #-}
+{-# LINE 1 "<built-in>" #-}
+{-# LINE 1 "<command-line>" #-}
+{-# LINE 1 "templates/wrappers.hs" #-}
+-- -----------------------------------------------------------------------------
+-- Alex wrapper code.
+--
+-- This code is in the PUBLIC DOMAIN; you may copy it freely and use
+-- it for any purpose whatsoever.
+
+
+
+
+
+
+
+import qualified Data.ByteString.Char8    as ByteString
+import qualified Data.ByteString.Internal as ByteString
+import qualified Data.ByteString.Unsafe   as ByteString
+
+
+
+-- -----------------------------------------------------------------------------
+-- The input type
+
+{-# LINE 35 "templates/wrappers.hs" #-}
+
+{-# LINE 51 "templates/wrappers.hs" #-}
+
+-- -----------------------------------------------------------------------------
+-- Token positions
+
+-- `Posn' records the location of a token in the input text.  It has three
+-- fields: the address (number of chacaters preceding the token), line number
+-- and column of a token within the file. `start_pos' gives the position of the
+-- start of the file and `eof_pos' a standard encoding for the end of file.
+-- `move_pos' calculates the new position after traversing a given character,
+-- assuming the usual eight character tab stops.
+
+{-# LINE 74 "templates/wrappers.hs" #-}
+
+-- -----------------------------------------------------------------------------
+-- Default monad
+
+{-# LINE 156 "templates/wrappers.hs" #-}
+
+
+-- -----------------------------------------------------------------------------
+-- Monad (with ByteString input)
+
+{-# LINE 239 "templates/wrappers.hs" #-}
+
+
+-- -----------------------------------------------------------------------------
+-- Basic wrapper
+
+{-# LINE 261 "templates/wrappers.hs" #-}
+
+
+-- -----------------------------------------------------------------------------
+-- Basic wrapper, ByteString version
+
+{-# LINE 285 "templates/wrappers.hs" #-}
+
+
+
+data AlexInput = AlexInput { alexChar :: {-# UNPACK #-}!Char
+                           , alexStr  :: {-# UNPACK #-}!ByteString.ByteString }
+
+alexGetChar (AlexInput _ cs)
+    | ByteString.null cs = Nothing
+    | otherwise          = Just $!  (ByteString.head cs, AlexInput c cs')
+    where
+        (c,cs') = (ByteString.w2c (ByteString.unsafeHead cs)
+                  , ByteString.unsafeTail cs)
+
+alexInputPrevChar = alexChar
+
+-- alexScanTokens :: String -> [token]
+alexScanTokens str = go (AlexInput '\n' str)
+  where go inp@(AlexInput _ str) =
+          case alexScan inp 0 of
+                AlexEOF -> []
+                AlexError _ -> error "lexical error"
+                AlexSkip  inp' len     -> go inp'
+                AlexToken inp' len act -> act (ByteString.unsafeTake len str) : go inp'
+
+
+
+
+-- -----------------------------------------------------------------------------
+-- Posn wrapper
+
+-- Adds text positions to the basic model.
+
+{-# LINE 327 "templates/wrappers.hs" #-}
+
+
+-- -----------------------------------------------------------------------------
+-- Posn wrapper, ByteString version
+
+{-# LINE 342 "templates/wrappers.hs" #-}
+
+
+-- -----------------------------------------------------------------------------
+-- GScan wrapper
+
+-- For compatibility with previous versions of Alex, and because we can.
+
+alex_base :: AlexAddr
+alex_base = AlexA# "\xf7\xff\xff\xff\xd6\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf9\xff\xff\xff\xfb\xff\xff\xff"#
+
+alex_table :: AlexAddr
+alex_table = AlexA# "\x00\x00\x03\x00\x02\x00\x04\x00\x05\x00\xff\xff\x00\x00\x00\x00\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"#
+
+alex_check :: AlexAddr
+alex_check = AlexA# "\xff\xff\x0a\x00\x2c\x00\x0a\x00\x0d\x00\x0a\x00\xff\xff\xff\xff\x0d\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x2c\x00\xff\xff\xff\xff\xff\xff\x2c\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"#
+
+alex_deflt :: AlexAddr
+alex_deflt = AlexA# "\x06\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x06\x00"#
+
+alex_accept = listArray (0::Int,6) [[],[],[(AlexAcc (alex_action_0))],[(AlexAcc (alex_action_1))],[(AlexAcc (alex_action_2))],[],[(AlexAcc (alex_action_3))]]
+{-# LINE 40 "Text/CSV/ByteString/Lex.x" #-}
+
+
+-- | Efficiently lex CSV data from a bytestring
+lexCSV :: S.ByteString -> [CSVToken]
+lexCSV = alexScanTokens
+
+data CSVToken = Comma
+              | Newline
+              | Item {-# UNPACK #-} !S.ByteString
+              deriving (Eq, Show)
+
+
+alex_action_0 = \_ -> Comma 
+alex_action_1 = \_ -> Newline 
+alex_action_2 = \_ -> Newline 
+alex_action_3 = Item
+{-# LINE 1 "templates/GenericTemplate.hs" #-}
+{-# LINE 1 "templates/GenericTemplate.hs" #-}
+{-# LINE 1 "<built-in>" #-}
+{-# LINE 1 "<command-line>" #-}
+{-# LINE 1 "templates/GenericTemplate.hs" #-}
+-- -----------------------------------------------------------------------------
+-- ALEX TEMPLATE
+--
+-- This code is in the PUBLIC DOMAIN; you may copy it freely and use
+-- it for any purpose whatsoever.
+
+-- -----------------------------------------------------------------------------
+-- INTERNALS and main scanner engine
+
+{-# LINE 35 "templates/GenericTemplate.hs" #-}
+
+{-# LINE 45 "templates/GenericTemplate.hs" #-}
+
+
+data AlexAddr = AlexA# Addr#
+
+#if __GLASGOW_HASKELL__ < 503
+uncheckedShiftL# = shiftL#
+#endif
+
+{-# INLINE alexIndexInt16OffAddr #-}
+alexIndexInt16OffAddr (AlexA# arr) off =
+#ifdef WORDS_BIGENDIAN
+  narrow16Int# i
+  where
+	i    = word2Int# ((high `uncheckedShiftL#` 8#) `or#` low)
+	high = int2Word# (ord# (indexCharOffAddr# arr (off' +# 1#)))
+	low  = int2Word# (ord# (indexCharOffAddr# arr off'))
+	off' = off *# 2#
+#else
+  indexInt16OffAddr# arr off
+#endif
+
+
+
+
+
+{-# INLINE alexIndexInt32OffAddr #-}
+alexIndexInt32OffAddr (AlexA# arr) off = 
+#ifdef WORDS_BIGENDIAN
+  narrow32Int# i
+  where
+   i    = word2Int# ((b3 `uncheckedShiftL#` 24#) `or#`
+		     (b2 `uncheckedShiftL#` 16#) `or#`
+		     (b1 `uncheckedShiftL#` 8#) `or#` b0)
+   b3   = int2Word# (ord# (indexCharOffAddr# arr (off' +# 3#)))
+   b2   = int2Word# (ord# (indexCharOffAddr# arr (off' +# 2#)))
+   b1   = int2Word# (ord# (indexCharOffAddr# arr (off' +# 1#)))
+   b0   = int2Word# (ord# (indexCharOffAddr# arr off'))
+   off' = off *# 4#
+#else
+  indexInt32OffAddr# arr off
+#endif
+
+
+
+
+
+#if __GLASGOW_HASKELL__ < 503
+quickIndex arr i = arr ! i
+#else
+-- GHC >= 503, unsafeAt is available from Data.Array.Base.
+quickIndex = unsafeAt
+#endif
+
+
+
+
+-- -----------------------------------------------------------------------------
+-- Main lexing routines
+
+data AlexReturn a
+  = AlexEOF
+  | AlexError  !AlexInput
+  | AlexSkip   !AlexInput !Int
+  | AlexToken  !AlexInput !Int a
+
+-- alexScan :: AlexInput -> StartCode -> AlexReturn a
+alexScan input (I# (sc))
+  = alexScanUser undefined input (I# (sc))
+
+alexScanUser user input (I# (sc))
+  = case alex_scan_tkn user input 0# input sc AlexNone of
+	(AlexNone, input') ->
+		case alexGetChar input of
+			Nothing -> 
+
+
+
+				   AlexEOF
+			Just _ ->
+
+
+
+				   AlexError input'
+
+	(AlexLastSkip input len, _) ->
+
+
+
+		AlexSkip input len
+
+	(AlexLastAcc k input len, _) ->
+
+
+
+		AlexToken input len k
+
+
+-- Push the input through the DFA, remembering the most recent accepting
+-- state it encountered.
+
+alex_scan_tkn user orig_input len input s last_acc =
+  input `seq` -- strict in the input
+  let 
+	new_acc = check_accs (alex_accept `quickIndex` (I# (s)))
+  in
+  new_acc `seq`
+  case alexGetChar input of
+     Nothing -> (new_acc, input)
+     Just (c, new_input) -> 
+
+
+
+	let
+		base   = alexIndexInt32OffAddr alex_base s
+		(I# (ord_c)) = ord c
+		offset = (base +# ord_c)
+		check  = alexIndexInt16OffAddr alex_check offset
+		
+		new_s = if (offset >=# 0#) && (check ==# ord_c)
+			  then alexIndexInt16OffAddr alex_table offset
+			  else alexIndexInt16OffAddr alex_deflt s
+	in
+	case new_s of 
+	    -1# -> (new_acc, input)
+		-- on an error, we want to keep the input *before* the
+		-- character that failed, not after.
+    	    _ -> alex_scan_tkn user orig_input (len +# 1#) 
+			new_input new_s new_acc
+
+  where
+	check_accs [] = last_acc
+	check_accs (AlexAcc a : _) = AlexLastAcc a input (I# (len))
+	check_accs (AlexAccSkip : _)  = AlexLastSkip  input (I# (len))
+	check_accs (AlexAccPred a pred : rest)
+	   | pred user orig_input (I# (len)) input
+	   = AlexLastAcc a input (I# (len))
+	check_accs (AlexAccSkipPred pred : rest)
+	   | pred user orig_input (I# (len)) input
+	   = AlexLastSkip input (I# (len))
+	check_accs (_ : rest) = check_accs rest
+
+data AlexLastAcc a
+  = AlexNone
+  | AlexLastAcc a !AlexInput !Int
+  | AlexLastSkip  !AlexInput !Int
+
+data AlexAcc a user
+  = AlexAcc a
+  | AlexAccSkip
+  | AlexAccPred a (AlexAccPred user)
+  | AlexAccSkipPred (AlexAccPred user)
+
+type AlexAccPred user = user -> AlexInput -> Int -> AlexInput -> Bool
+
+-- -----------------------------------------------------------------------------
+-- Predicates on a rule
+
+alexAndPred p1 p2 user in1 len in2
+  = p1 user in1 len in2 && p2 user in1 len in2
+
+--alexPrevCharIsPred :: Char -> AlexAccPred _ 
+alexPrevCharIs c _ input _ _ = c == alexInputPrevChar input
+
+--alexPrevCharIsOneOfPred :: Array Char Bool -> AlexAccPred _ 
+alexPrevCharIsOneOf arr _ input _ _ = arr ! alexInputPrevChar input
+
+--alexRightContext :: Int -> AlexAccPred _
+alexRightContext (I# (sc)) user _ _ input = 
+     case alex_scan_tkn user input 0# input sc AlexNone of
+	  (AlexNone, _) -> False
+	  _ -> True
+	-- TODO: there's no need to find the longest
+	-- match when checking the right context, just
+	-- the first match will do.
+
+-- used by wrappers
+iUnbox (I# (i)) = i
