diff --git a/alex.cabal b/alex.cabal
--- a/alex.cabal
+++ b/alex.cabal
@@ -1,5 +1,5 @@
 name: alex
-version: 2.3.4
+version: 2.3.5
 license: BSD3
 license-file: LICENSE
 copyright: (c) Chis Dornan, Simon Marlow
diff --git a/src/Main.hs b/src/Main.hs
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -184,14 +184,7 @@
   hPutStrLn hdl code
 
 optsToInject :: Target -> [CLIFlags] -> String
-optsToInject GhcTarget _ = "{-# LANGUAGE CPP,MagicHash #-}\n" ++
-                           -- disable bogus bang-pattern warnings in GHC
-                           -- 6.12 - 7.0.  This only works for 7.0 because
-                           -- 6.12 didn't support conditional OPTIONS pragmas.
-                           -- 7.2 will stop warning about these anyway.
-                           "#if __GLASGOW_HASKELL__ >= 700\n" ++
-                           "{-# OPTIONS_GHC -fno-warn-lazy-unlifted-bindings #-}\n" ++
-                           "#endif\n"
+optsToInject GhcTarget _ = "{-# LANGUAGE CPP,MagicHash #-}\n"
 optsToInject _         _ = "{-# LANGUAGE CPP #-}\n"
 
 importsToInject :: Target -> [CLIFlags] -> String
diff --git a/templates/wrappers.hs b/templates/wrappers.hs
--- a/templates/wrappers.hs
+++ b/templates/wrappers.hs
@@ -332,7 +332,7 @@
   where go inp@(pos,_,str) =
           case alexScan inp 0 of
                 AlexEOF -> []
-                AlexError _ -> error "lexical error"
+                AlexError ((AlexPn _ line column),_,_) -> error $ "lexical error at " ++ (show line) ++ " line, " ++ (show column) ++ " column"
                 AlexSkip  inp' len     -> go inp'
                 AlexToken inp' len act -> act pos (take len str) : go inp'
 #endif
@@ -347,7 +347,7 @@
   where go inp@(pos,_,str) =
           case alexScan inp 0 of
                 AlexEOF -> []
-                AlexError _ -> error "lexical error"
+                AlexError ((AlexPn _ line column),_,_) -> error $ "lexical error at " ++ (show line) ++ " line, " ++ (show column) ++ " column"
                 AlexSkip  inp' len     -> go inp'
                 AlexToken inp' len act -> act pos (ByteString.take (fromIntegral len) str) : go inp'
 #endif
diff --git a/tests/Makefile b/tests/Makefile
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -9,7 +9,7 @@
 HS_PROG_EXT = .bin
 endif
 
-TESTS = simple.x tokens.x tokens_posn.x tokens_gscan.x
+TESTS = simple.x tokens.x tokens_posn.x tokens_gscan.x tokens_bytestring.x
 
 TEST_ALEX_OPTS = --template=..
 
@@ -28,7 +28,7 @@
 
 ALL_TESTS = $(patsubst %.hs, %.run, $(ALL_TEST_HS))
 
-HC_OPTS += -package array 
+HC_OPTS += -package array  -package bytestring
 #-fglasgow-exts
 
 %.run : %$(HS_PROG_EXT)