From 472847adc24f10e30ef5ff09814cf12d6a3d372a Mon Sep 17 00:00:00 2001
From: Yukihiro Matsumoto <matz@ruby-lang.org>
Date: Wed, 4 Jul 2012 17:12:47 +0900
Subject: input cast to unsigned char for unqualified tolower(); close #342

---
 src/parse.y | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/parse.y')

diff --git a/src/parse.y b/src/parse.y
index 025707670..af91f09b6 100644
--- a/src/parse.y
+++ b/src/parse.y
@@ -3949,7 +3949,7 @@ parser_yylex(parser_state *p)
 	      }
 	      if (!ISXDIGIT(c)) break;
 	      nondigit = 0;
-	      tokadd(p, c);
+	      tokadd(p, tolower(c));
 	    } while ((c = nextc(p)) != -1);
 	  }
 	  pushback(p, c);
-- 
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