From b8845b879d968c2888091ca2dd1bc7bdc208a166 Mon Sep 17 00:00:00 2001
From: David Waern <david.waern@gmail.com>
Date: Sun, 1 Apr 2012 18:10:30 +0200
Subject: Don't crash on unicode strings in doc comments.

---
 src/Haddock/Lex.x | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/Haddock/Lex.x b/src/Haddock/Lex.x
index f65aee8c..b9ebe688 100644
--- a/src/Haddock/Lex.x
+++ b/src/Haddock/Lex.x
@@ -34,6 +34,7 @@ import Data.Char
 import Data.Word (Word8)
 import Numeric
 import System.IO.Unsafe
+import Debug.Trace
 }
 
 $ws    = $white # \n
@@ -181,7 +182,7 @@ tokenise dflags str (line, col) = let toks = go (posn, '\n', eofHack str) para i
     go inp@(pos, _, str) sc =
 	  case alexScan inp sc of
 		AlexEOF -> []
-		AlexError _ -> error "lexical error"
+		AlexError _ -> []
 		AlexSkip  inp' _       -> go inp' sc
 		AlexToken inp'@(pos',_,_) len act -> act pos (take len str) sc (\sc -> go inp' sc) dflags
 
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